• US2067722A - Doorless headlamp with lens mounted outside of housing : en
  • CH188783A - Process for the production of a water-soluble, complex-bound copper containing dye preparation. : de en
  • AT148384B - Money box with counting device. : de en
  • AU53236A - Improvement in coke oven fuel distribution means : en
  • USRE20234E - False teeth : en
  • DE640943C - Vertical chamber furnace : de en
  • GB459771A - Improved process and apparatus for drying liquids in particular in determining the solid content thereof : en
  • US2067260A - Lubricating means : en
  • AU2376235A - Improvements relating to refrigeration : en
  • US2067796A - Electric cord and attachment cap : en
  • US2067816A - Process of making ornamented fabric : en
  • USD102673S - Design fob an eye shade ob similar : en
  • DE640884C - High voltage circuit breaker : de en
  • US2067847A - Process for the treatment of hydrocarbon oil : en
  • AT148307B - X-ray contrast media. : de en
  • CH188748A - Vexing clasp. : de en
  • CA363321A - Stove : en fr
  • US2067750A - Filling machine : en
  • US2067600A - Nonrefillable container : en
  • US2067396A - Oil reclaimer : en
  • US2067658A - Wagon can or similar receptacle : en
  • CH188680A - Process for producing effects on substrates such as paper, wood, metal, glass, plastics, etc. : de en
  • US2067192A - Process for tensioned cold rolling in reversible mills : en
  • US2067680A - Sewing machine for edging fabrics : en
  • USD102700S - Design for an accordion : en
  • AT148286B - Roll film camera with built-in photoelectric light meter. : de en
  • ES143287A1 - A refinement in the braziers for domestic heating use. : en es
  • US2067401A - Method and apparatus for the pressing of plastic and dry compositions : en
  • US2067644A - Pull box : en
  • US2067733A - Knitting machine : en
  • USD102701S - Design for an electric fan : en
  • CA363420A - Foot arch support : en fr
  • CA363397A - Printing ink : en fr
  • US2067224A - Button or the like : en
  • US2067623A - Garage door : en
  • FR807518A - Light sources formed by cathode ray tubes : en fr
  • GB459720A - Improvements in the manufacture and production of polymerisation products : en
  • AT148274B - Speed indicators for film projectors, in particular for cine films. : de en
  • AT148296B - Equipment on lace-up shoes to prevent the tied lace from sliding out and untying. : de en
  • CH188640A - Small piano. : de en
  • DE640699C - Seating and sleeping facilities for vehicles, especially for railroad cars : de en
  • DE640899C - Change-speed gearbox in which parts reciprocating axially to a driven wheel produce a continuous rotation by screw action : de en
  • DE1395401U - : de
  • DK52559C - Bicycle gear for several speeds. : da en
  • FR807547A - Bolt Cutter Improvements : en fr
  • GB459761A - Apparatus for orthoptic training purposes : en
  • CH188679A - A method of manufacturing a decorated object and a decorated object obtained by this process. : en fr
  • CH188739A - Device for entering telephone numbers. : de en
  • CA363353A - Muffler : en fr
  • FR807560A - Advanced sound unit for motion picture projectors : en fr
  • IE14264L - Dressing for belting of machinery : en
  • AT148347B - Device for displaying the respective width of the frequency band passed by a variable filter, in particular for radio receivers. : de en
  • CH188608A - Process for evaporation of solutions in single or multi-stage evaporation plants and evaporation plant for carrying out the process. : de en
  • CH188653A - Weighing device. : en fr
  • NL39884C - : en
  • US2067531A - Truing apparatus for lapping machines : en
  • AU2305935A - An improved rear warning light for cycles andthe like : en
  • GB459820A - Process for stabilising cellulose esters : en
  • US2067789A - Safety razor : en
  • GB459696A - Improvements in or relating to electric switching devices particularly for use on motor vehicles : en
  • GB459934A - Improvements in and relating to nitrocellulose compositions : en
  • DE640844C - Loosening shoe for hiking pillar : de en
  • FR807484A - Explosion turbine, driven by gas from fuels, such as gasoline or its derivatives : en fr
  • CH188634A - Device for turning paper webs, in particular for rotary printing machines. : de en
  • CH188665A - Process for the production of a pure light metal. : de en
  • AT148332B - Shut-off device for gas (steam) or liquid lines. : de en
  • US2067232A - Pilot lamp for multisignal switches : en
  • GB459623A - Improvements in and relating to liquid-screening apparatus : en
  • US2067305A - Feed-water purifier plant for locomotive boilers : en
  • FR807483A - Freewheel device to suppress the reaction effects of a differential : en fr
  • US2067485A - Circuit control means : en
  • US2067603A - Wringer release mechanism : en
  • US2067732A - Appliance for playing a game : en
  • US2067814A - Initial button : en
  • FR807453A - Device preventing drops from running down containers : en fr
  • US2067212A - Torch control apparatus : en
  • US2067718A - Oil burner : en
  • US2067724A - Car loading device : en
  • CH188660A - Headlight, the reflective surface of which has the shape of an ellipsoidal section. : de en
  • CH188754A - Device for cushioning motor vehicles. : de en
  • FR807492A - : fr
  • GB459840A - Improvements in and relating to playing cards : en
  • NL39817C - : en
  • US2067387A - Rail graph producing device : en
  • US2067544A - Production of craped or crimped artificial yarns : en
  • CA363372A - Sheet material operating machine : en fr
  • USD102727S - Skirt guard for bicycles : en
  • US2067288A - Internal combustion engine : en
  • US2067498A - Roll-holder : en
  • GB459676A - Improvements in and relating to artists' easels : en
  • US2067263A - Ice delivering receptacle : en
  • CA363310A - Travelling work table and rack : en fr
  • CH188737A - Locking device for the counter wheels on value stamp machines. : de en
  • US2067749A - Container : en
  • DE640962C - Method and circuit arrangements for the transition of the sound reproduction from one optical sound reproduction device to another : de en
  • DE640787C - Pendulum centrifugal machine with a drive motor connected to the drum by a belt train or the like : de en
  • GB459795A - Improvements in or relating to mechanical stoking installations : en
  • DE640738C - Device for refreshing ink ribbons on typewriters : de en
  • DE640815C - Roll film camera with slide shutter directly on the film frame : de en
  • USD102732S - Design for a knitted fabric : en
  • FR807597A - Force transmitting device : en fr
  • GB459762A - An improved manner of manufacture of hockey sticks : en
  • GB459670A - Improvements relating to tubular apparatus for heating air by convection : en
  • GB459816A - Dielectric materials and electrical apparatus using such materials : en
  • DE640637C - Horizontal drilling and milling mill : de en
  • AT148253B - Process for the production of pipes from artificial stone masses, in particular concrete. : de en
  • AT148278B - Process for the production of small decorative three-dimensional figures by means of plant structures and objects produced in this way. : de en
  • DE640905C - Feeding device for lignite briquette presses : de en
  • FR807446A - Realization of sockets without the use of contact plugs : en fr
  • DE640803C - Switch rod for disconnector : de en
  • DE640848C - Cooling machine with evaporators arranged in different rooms : de en
  • GB459566A - Improvements in or relating to a tap or valve : en
  • GB459786A - Improvements relating to the manufacture of containers : en
  • GB459919A - Improvements relating to means for interconnecting a single phase supply system and a multi-phase supply system : en
  • FR807536A - Process for the preparation of chloronaphthols and their application : en fr
  • CH188629A - Device for foam generation for facilities for the clarification of waste water using the foam floating method. : de en
  • GB459522A - Improvements in or relating to machines for use in trimming boots or shoes or parts therefor : en
  • US2067477A - Gearing : en
  • US2067482A - Shock absorber : en
  • US2067880A - Upright piano : en
  • CH188595A - Jacquard device for flat knitting machines. : de en
  • CH188790A - Process for the production of an indigoid dye. : de en
  • CH188724A - Liquid fuel evaporator-burner device. : en fr
  • US2067227A - Method of producing crystallized anhydrous sodium metasilicate : en
  • US2067269A - Method of making tractor shoes and similar articles : en
  • US2067881A - Continuous thread-processing machine : en
  • DE640996C - Distillation device : de en
  • GR6229B - TOBACCO PLANTING MACHINE. : el en
  • CA363324A - Pressed calcium oxide or hydroxide powder : en fr
  • GB459671A - Improvements in or relating to devices for the production of permanent hair waves : en
  • US2067289A - Apparatus for multiplying records : en
  • US2067630A - Welding rod : en
  • USD102726S - Design for a handle bar post : en
  • US2067879A - Mucking machine : en
  • US2067277A - Scum collector : en
  • US2067225A - Button positioning means : en
  • US2067729A - Process for the decomposition of hydrocarbons and catalyst therefor : en
  • GB459700A - Improvements in or relating to skirts for personal wear : en
  • AU2570235A - Improvements relating to building blocks and a method means for working same : en
  • US2067195A - Battery cable terminal : en
  • US2067660A - Package : en
  • US2067612A - Air chamber valve operating mechanism and control for diesel engines : en
  • FR807517A - Improvements to sanitary tampons : en fr
  • FR807456A - Process for preparing a pectin extract : en fr
  • FR807488A - Improvement in the handling disc of telephone devices : en fr
  • US2067655A - Window construction : en
  • FR807365A - Reservoir pen holder : en fr
  • DE640838C - Method and device for cinematographic reproduction or image recording or image copy production by means of optical compensation of the image migration : de en
  • GB459525A - Improvements in or relating to lining-up tables for printers and the like : en
  • GB459627A - Improvements in and relating to piston and crosshead construction : en
  • FR807608A - Method of representing and reproducing patterns for clothing and similar articles : en fr
  • FR807465A - Floating dredge with bucket wheel : en fr
  • DE640889C - Electric alternating current arc welding : de en
  • US2067573A - Device for loading and ejecting capsules : en
  • FR807403A - Device intended for the successive exposure of a series of dioramas and dioramas used in this device : en fr
  • FR807555A - Loudspeaker membrane and method for its manufacture : en fr
  • US2067546A - Road vehicle : en
  • FR807411A - Fitness apparatus : en fr
  • GB459543A - Improvements in doctors for use in printing machines : en
  • GB459629A - Improvements in or relating to a device for sharpening razor blades : en
  • CA363354A - Strip gum paper : en fr
  • US2067303A - Portable air conditioner : en
  • US2067621A - Cushioned seat : en
  • AT148265B - Conveyor and discharge device for suspended matter. : de en
  • US2067205A - Process of desiccating liquids : en
  • USD102720S - Design fob a fountain pen : en
  • US2067664A - Method of making filaments for miniature incandescent lamps and articles : en
  • US2067510A - Pressure reducing apparatus : en
  • FR807369A - Pastry rolls : en fr
  • GB459941A - An improvement in means for controlling variable mechanism : en
  • FR807563A - Safety switch for automobile car : en fr
  • CA363333A - Refractory glass : en fr
  • GB459581A - Improvements in and relating to intervalve coupling and like circuits : en
  • GB459603A - Improvements in vaporizers or heaters for use in internal combustion engines : en
  • US2067307A - Stainless copper base alloy : en
  • US2067871A - Tuning device for radio sets : en
  • CH188651A - Device for displaying and continuously recording the limit values of loads that change between these values, in particular on materials testing machines. : de en
  • GB459641A - Improvements in or relating to coin-freed vending machines : en
  • GB459710A - Improvements in apparatus for dividing or combining streams of fluent materials : en
  • FR807375A - Cartridge cap : en fr
  • GB459644A - Arrangements for reducing noise in vacuum cleaners : en
  • DE640861C - Spectral apparatus : de en
  • FR807623A - Improvements in lithographic printing : en fr
  • GB460144A - Improvements in or relating to the manufacture of chlorinated rubber products : en
  • FR807561A - Method and apparatus for drying materials : en fr
  • CH188787A - Process for the preparation of a water-insoluble dye. : de en
  • DE640854C - Protection device for electro-acoustic apparatus, in which the apparatus to be protected has a fritter, in particular a spherical fritter, connected in parallel : de en
  • US2067629A - Automatic valve for heating systems : en
  • AU2583335A - Improvements relating to apparatus for separation of minerals : en
  • AT148395B - Curl holder. : de en
  • NL39808C - : en
  • US2067239A - Manufacture of shoe stiffener material : en
  • GB459553A - An improved articulated combination of motor vehicle and trailer : en
  • FR807410A - Improvements to small size lamps : en fr
  • US2067713A - Valve device : en
  • AT148345B - Rung ladder. : de en
  • US2067180A - Starter control for internal combustion engines : en
  • DE640958C - Arrangement to improve the power factor in the voltage regulation of conversion devices : de en
  • CA363362A - Vehicle jacking device : en fr
  • DE640915C - Cooling device for electrical machines, transformers, apparatus, etc. Like. With a special cooler : de en
  • US2067607A - Thermionic cathode space current tube : en
  • US2067206A - Welding electrode : en
  • FR807447A - Moldable compositions : en fr
  • GB459595A - Improvements relating to the refining of hydrocarbon liquids : en
  • CA363335A - Repulsion relay : en fr
  • CA363426A - Saw set : en fr
  • AT148364B - Electrical overcurrent circuit breaker, in particular a small oil switch, with a locking device to prevent immediate reconnection. : de en
  • CH188667A - Alloy-carrying, gasifiable tape, wound on an arc welding electrode. : de en
  • CH188810A - Process for the preparation of a substituted amide of a fatty aromatic acid. : de en
  • FR807519A - Silent and anti-recoil device for firearms : en fr
  • CA363322A - Boiler : en fr
  • CH188610A - Device for separating water, in particular from liquid fuels. : de en
  • DE640924C - Blasting device for cesspools with removable distribution device : de en
  • US2067868A - Sewing machine lighting device : en
  • DE640649C - Process and apparatus for the production of finely divided zinc : de en
  • DE640794C - Thermodynamic process for storing energy using heat pumps : de en
  • DE640819C - Skylight opener operated by push rod : de en
  • DE640873C - Switching arrangement for the braking of three-phase motors with direct current using a dry rectifier : de en
  • CA363330A - Gaseous electric discharge device : en fr
  • DE640730C - Process for improving the storage and running-in properties of cast copper-tin alloys : de en
  • DK52565C - Device for Miniature football games or similar Games. : da en
  • US2067266A - Time automatic shut-off for gas ranges and the like : en
  • US2067687A - Floor mop : en
  • US2067707A - Constructional material : en
  • USD102715S - L haines : en
  • GB459620A - Improvements in and relating to phase shifting circuits : en
  • GB459932A - Improvements in or relating to devices for stirring or mixing substances : en
  • CA363363A - Vehicle jacking device : en fr
  • GB459643A - Steam-power installation for deep-boring operations : en
  • US2067452A - Hexyl catechol and process of producing it : en
  • US2067493A - Membrane lined tunnel and method of constructing same : en
  • US2067606A - Manufacture of alkali thiocyanates : en
  • DE639853C - Photoelectric arrangement for the actuation of electrical switching processes : de en
  • DE640779C - High-frequency blocker for locking off power supply units in arrangements for high-frequency telephony long power lines : de en
  • FR807357A - Mixed valve for all fluids : en fr
  • FR807445A - Medium frequency receiver with multiple wavebands : en fr
  • US2067639A - Radiator protector : en
  • FR807580A - Process for manufacturing screens for secondary chi rays : en fr
  • CA363348A - Accounting machine : en fr
  • GB459571A - Improvements in poppet valves for internal combustion engines : en
  • FR807421A - Improvements to dyeing machines : en fr
  • US2067832A - Apparatus for converting higher boiling hydrocarbons into lower hydrocarbons : en
  • US2067748A - Method of making soluble salts and products thereof : en
  • DE640953C - Method and device for producing hollow stones closed on five sides from plastic masses : de en
  • FR807377A - Suspension for motor vehicles, in particular for independent wheel vehicles : en fr
  • US2067321A - Pneumatic apparatus for separating granular substances : en
  • US2067643A - Flat type evaporator structure : en
  • DE640984C - Manufacture of a corrosion-resistant seamless or welded steel pipe : de en
  • DE640758C - Horseshoe-shaped fitting for horses made of resilient material with a metal reinforcement embedded in this : de en
  • DE640991C - Tap head for a siphon : de en
  • CH188773A - Process for the preparation of an insoluble azo dye. : de en
  • DE640852C - Overhead line switch, especially for trackless railways : de en
  • GB459526A - Improvements in and relating to electric circuits for modifying frequency response in amplifiers and the like : en
  • GB459952A - Improvements in and relating to electric wiring and fire extinguishing installationsfor ships, buildings and the like : en
  • US2067193A - Method of dewaxing hydrocarbon oils : en
  • GB459813A - Improvements in or relating to luminous display devices : en
  • US2067491A - Machine tool including fluid operated feeding devices : en
  • DE640727C - Circuit arrangement for exchanges in telephone systems : de en
  • US2067228A - Rotary sustaining wings for aircraft : en
  • US2067309A - Portable draftsman's case : en
  • NL39890C - : en
  • US2067542A - Wind reaction turbine : en
  • CH188613A - Process for preparing 2,2-ethyl-n-butyl-1,3-n-butylene glycol. : en fr
  • US2067529A - Electron discharge device : en
  • GB459798A - Improvements relating to sliding windows, shutters and the like : en
  • US2067691A - Cathode structure for discharge devices : en
  • FR807393A - Device allowing prolonged exposure to the action of infra-red rays : en fr
  • GB459621A - Improvements in or relating to electrical key switching devices for electrically operated locks and the like : en
  • ES143278A3 - Removable hermetic closing electric accumulator. : en es
  • US2067215A - Method of bonding siccative coats to metal : en
  • US2067316A - Vinyl resin coating : en
  • DE640879C - Process for the production of leather rollers for the printing company : de en
  • GB459564A - Improvements in and relating to eyes, hooks, clips and the like : en
  • FR807503A - Projectile not giving shards : en fr
  • GB459618A - Apparatus for disintegrating, dissolving and mixing solids in liquids : en
  • GB459642A - Improvements relating to vibratory sieves : en
  • US2067552A - Switch : en
  • DE640768C - Bicycle saddle or passenger seat : de en
  • IE14098L - Thermionic electrodes : en
  • FR807466A - Apparatus for molding and welding a rubber heel to espadrille soles : en fr
  • CA363396A - Glow lamp : en fr
  • US2067234A - Pigmented granular polymers : en
  • US2067534A - Method of and electrolyte for : en
  • FR807607A - Device for balancing capacity differences in telephone cables : en fr
  • GB459764A - Improvements in and relating to grilling apparatus : en
  • US2067734A - Interlocking fastener structure : en
  • GB459652A - Improvements in feeding hoppers for roller mills : en
  • FR807495A - Closure for bags or confectionery cones : en fr
  • US2067501A - Parchment paper and method of making same : en
  • FR807461A - : fr
  • US2067876A - Method of incorporating special materials with paper stock : en
  • GB459933A - A process for the preparation of a slow combustion powder for use in rockets and for analogous purposes, and the powder thereby produced : en
  • FR807379A - Enhancements to plasters to prevent mold growth : en fr
  • US2067505A - Slab pusher : en
  • US2067807A - Rear axle assembly for motor vehicles : en
  • CA363370A - Coating machine : en fr
  • DK52551C - Connection piece for pressure lubricators. : da en
  • FR807412A - Products formed from superimposed layers : en fr
  • GR6222B - SEMI-AUTOMATIC LASH TROUBLE. : el en
  • GB459856A - Blowpipe : en
  • GB459677A - Improvements relating to knife-edge bearings : en
  • US2067191A - Oil film bearing : en
  • US2067434A - Accumulator : en
  • GB459789A - Improvements in or relating to the stabilisation of lubricating oils or the like : en
  • US2067446A - Burner control : en
  • US2067296A - X c cooking range x : en
  • US2067427A - Horseshoe : en
  • FR807620A - heat exchanger : en fr
  • GB459763A - An improved extraction process for vegetable oils : en
  • DK52555C - Device by Aircraft with Firearms for Shooting through the Propeller Shaft. : da en
  • DE640755C - Knives for tillage machines arranged on a rotating shaft : de en
  • GR6220B - BED IRON FOLDING. : el en
  • ES143294A1 - Lifting device constituted by an arm whose height can be modified at will. : en es
  • DE640777C - Drum roughing machine : de en
  • FR807402A - Flash light : en fr
  • GB459582A - Improvements in and relating to manufactured articles of food or confectionery : en
  • IE14265L - Manufactured foods or confectionery : en
  • GB459780A - Improvements in the manufacture and production of pigment dyestuffs : en
  • US2067711A - Apparatus for erecting tunnel linings : en
  • FR807566A - Vacuum cleaning device : en fr
  • FR807437A - Manufacturing process of a special steel containing sulfur : en fr
  • GB459843A - Device for supporting steam pipe lines : en
  • DE640725C - Circuit arrangement for telegraph systems for reciprocal, d. H. Intermittent traffic with double-flow impulses : de en
  • DE640864C - Supervisory searcher for photographic apparatus : de en
  • NL40057C - : en
  • DE640754C - Allotment device : de en
  • DE640778C - Process and device for reducing the gas dust losses in the blast furnace : de en
  • DE640801C - Switching arrangement for interrogation devices in intermediate amplifier circuits : de en
  • FR807615A - Refractory materials and their manufacturing process : en fr
  • USD102712S - Design fob an ironing machine : en
  • US2067751A - Securing means for tool handles : en
  • DE640929C - Luminescent screen in discharge tubes, especially Braun tubes : de en
  • DE640869C - Neutralization circuit of glow cathode tubes by bridge circuit : de en
  • DE640917C - Arrangement for converting a direct voltage into an alternating voltage : de en
  • FR807522A - Device for clamping and loosening parts with end crenellations : en fr
  • AT148399B - Utility item consisting of a watch and a lighter. : de en
  • US2067472A - Time actuated mechanism : en
  • US2067633A - Rotative wing aircraft : en
  • GB460143A - Improvements in the manufacture and production of alkyl halides and of unsaturated organic compounds : en
  • USRE20241E - perry r : en
  • US2067608A - Railway brake bottom connecting rod guard : en
  • US2067762A - Process of producing cementitious material : en
  • US2067859A - Synthetic resin and method of producing : en
  • CH188570A - Security lock with mortise key. : de en
  • FR807602A - Advanced cart for street vendors : en fr
  • GB459785A - Improvements relating to the manufacture of flanged closures for containers and the like : en
  • GB459689A - Improvements in and relating to screw-cutting taps : en
  • CH188557A - Device for attaching the scythe blade to the throw. : de en
  • US2067406A - Ash receiver : en
  • GB459938A - An improved cosmetic : en
  • FR807582A - Reverse combustion gasifier : en fr
  • FR807360A - Pneumatic tachometer operating without being influenced by external pressure : en fr
  • GB459610A - Improvements in or relating to time-bases for cathode ray tubes : en
  • FR807409A - Brush refinements : en fr
  • FR807567A - Clamping device : en fr
  • FR807438A - Improvements to objects already compliant then provided with a protective coating possibly reinforcing : en fr
  • DE640977C - Process for the production of stamping forms for the stamping of seamless metal tooth crowns and bridge pillars corresponding to the tooth shape by means of plastic stamping material : de en
  • DK52544C - Device for oil burners. : da en
  • AU2585635A - Improvements inthe manufacture of thermionic valves : en
  • GB459746A - Improvements in the manufacture and production of amines containing two hydroxyalkylamino groups : en
  • GB459705A - Improvements in frying pans : en
  • FR807363A - Single-phase motor serving as a measuring device : en fr
  • CH188707A - Centrifugal switch, especially for short-circuiting the starting resistors of electric motors. : de en
  • FR807479A - Apparatus for curling or waving the hair : en fr
  • GB459729A - Improvements in the cooling of high voltage electrical machines : en
  • US2067312A - Process of treating slag : en
  • US2067645A - Apparatus for measuring flowing gaseous fluids : en
  • DE640875C - Floor polisher with horizontally rotating plate brush : de en
  • DE640926C - Fuel injection pump for internal combustion engines : de en
  • AU2524635A - Improved shoe : en
  • USD102693S - Design fob a dish ok similar article : en
  • CH188712A - Thermostat. : de en
  • AT148389B - Chain drive machine for the production of wood wool, wood chips, etc. like : de en
  • AT148291B - Protective device on the lenses of photographic apparatus. : de en
  • AT148263B - Multi-part mold made of cast iron for the production of boiler shells and similar shaped bodies made of asbestos cement. : de en
  • CH188727A - Electric discharge tube lighting device with a luminophore layer fitted inside the tube. : de en
  • AU20836A - Improvements in arc rupturing devices for electric circuits : en
  • AU2533135A - Improvements relating tothe sealing of cans or vessels containing preserved meats andother commodities : en
  • CA363450A - Surgical bandage : en fr
  • CH188731A - Splayfoot insert attached to the shoe. : de en
  • AU25336A - Improvements in apparatus for use inthe practice ofthe game of golf : en
  • US2067235A - Mercury switch relay : en
  • US2067292A - Internal combustion engine : en
  • DE640785C - Grinding machine with a grinding wheel that can be swiveled from the working position about a fixed axis into the dressing position : de en
  • DE640834C - Process for the production of copper silk : de en
  • ES143295A1 - Tubular metal construction system with wooden floors and walls and ceilings of corrugated sheet or similar materials. : en es
  • GB459631A - An improved cartridge belt : en
  • GB459781A - Improvements in the manufacture of artificial yarns : en
  • GB459797A - Improvements in and relating to the manufacture of dyestuff compositions : en
  • GR6228B - SHOE CUTTING METHOD. : el en
  • DE640746C - Pressed insulating material housing for electrical installation apparatus with break-out areas limited by notches : de en
  • DE640771C - Carousel with rotating walls that surround the rails on both sides to evoke illusions : de en
  • GB459674A - Method and apparatus for incorporating to a stream of fluid under pressure other fluid or powdered bodies : en
  • AT148264B - Method and device for photoelectric exposure measurement or exposure control for photographic apparatus and the like. like : de en
  • AU155536A - Improvements relating to fusible electric cutouts : en
  • NL39838C - : en
  • GR6232B - METHOD FOR PROTECTION AGAINST PREMATURE DESTRUCTION OF DRUGS IN THE STOMACH OR INTESTINES. : el en
  • GB459744A - Improvements in or connected with tracks for toy railways : en
  • FR807372A - Device capable of dispensing any liquid, antiseptic or not, in front of or behind a broom, deck washer or other : en fr
  • GB459690A - Worm gear adjustment for steering gears : en
  • DE640776C - Device for treating running webs of material with volatile solvents : de en
  • GB459817A - Improvements in sifting or screening apparatus : en
  • DE640731C - Cinema recorder with cassette : de en
  • US2067504A - Refrigerator cabinet : en
  • USRE20236E - Feinting telegraph system : en
  • US2067314A - Piston : en
  • GB459772A - Improvements in automatic firearms : en
  • CH188635A - Accounting copy machine for handwriting. : de en
  • CA363305A - Cellulose derivative manufacture : en fr
  • FR807612A - Improvements to sewing machine loop takers : en fr
  • CH188562A - Hourdis blanket. : de en
  • CH188682A - Vessel for holding brushes that are not being used while working. : de en
  • US2067207A - Motor vehicle braking-wheel driving structure : en
  • US2067441A - Control compass for automatic piloting of moving bodies : en
  • US2067825A - Thermionic valve of the screened grid type : en
  • US2067842A - Attachment on flat knitting machines for holding down the fabrics : en
  • CA363431A - Date indicator : en fr
  • CA363339A - Methanol dehydrogenation : en fr
  • GB459651A - Improved building tile : en
  • GB459828A - Improvements relating to the stuffing boxes of centrifugal pumps : en
  • CH188565A - Device for the dust-free emptying of waste bins in waste collection trucks. : de en
  • CH188684A - Shock absorber bearing. : en fr
  • US2067385A - Ethers and process for producing the same : en
  • US2067854A - Deodorization of polymerized haloprene and product : en
  • AT148394B - Foundation for buildings. : de en
  • CH188717A - Mains fuse. : de en
  • DE640709C - Coal stove in connection with a gas or electrical auxiliary heating device : de en
  • DE640966C - Control device on continuously operating distillation devices : de en
  • FR807364A - Prior magnetization current transformer : en fr
  • GB459741A - Improvements relating to tanks for the transport of liquids over all types of ground : en
  • US2067576A - Method and apparatus for operating positive column discharge tubes : en
  • DE640949C - Centrifugal governor : de en
  • DK52546C - Cream whips. : da en
  • DE640733C - Process for the independent production of a jewelry chain, the chain links of which are twisted 180 ° against each other in the middle, with the machine according to patent 526621 and machine for it : de en
  • DE640904C - Form hook and dovetail for briquette extruder : de en
  • CH188664A - Movement with calendar mechanism for calendar watches. : de en
  • AT148380B - Circuit for the central or partial activation and deactivation of individual or switching groups combined power consumption devices. : de en
  • CH188760A - Process for the preparation of a dialdehyde. : de en
  • US2067875A - Automatic control for humidifiers : en
  • US2067742A - Process for determining characteristics of concrete aggregates : en
  • US2067274A - Internal-combustion engine : en
  • AU2582135A - Improvements in or relating to rackets or bats for tennis and like games : en
  • AU2523935A - Improvements in and relating to dough moulding machines for moulding biscuits or the like : en
  • CA363434A - Structural expansion unit : en fr
  • US2067659A - Circuit interrupter : en
  • CH188772A - Process for the preparation of an insoluble azo dye. : de en
  • US2067726A - Water insoluble monoazo dyes : en
  • DE640736C - Process for obtaining a hydrocarbon oil in benzene purification : de en
  • CH188697A - Silencers for internal combustion engines. : de en
  • CH188655A - Process for the manufacture of electrodynamic devices. : de en
  • CH188692A - Standing vessel for liquids. : de en
  • CH188801A - Process for the preparation of l-ascorbic acid (vitamin C). : de en
  • CA363331A - Electron discharge apparatus : en fr
  • GB459609A - Improvements in electric plug couplings : en
  • US2067394A - Method and apparatus for treating molten metal with gas : en
  • AU2451035A - Improvements in sheepshearing machine combs : en
  • DE640955C - Process for the production of seamless metal pipes : de en
  • US2067354A - Brassiere : en
  • US2067769A - Scoring apparatus : en
  • CH188619A - Process for the preparation of lysergic acid hydrazide. : de en
  • DE640997C - Process for the production of sulfuric acid esters of higher molecular weight unsaturated aliphatic alcohols : de en
  • CH188654A - Electrically driven calculating machine with automatic division device. : de en
  • CH188767A - Process for the preparation of a quinoline series amino compound. : de en
  • DE640786C - Machine for producing the heel seat by milling out : de en
  • US2067249A - Mine car : en
  • US2067592A - Transmission : en
  • US2067855A - Protector guide for dressing shoes : en
  • US2067182A - Means for automatically setting type in typesetting machines : en
  • US2067233A - Shelf paper : en
  • US2067264A - Process of making bituminous materials : en
  • US2067656A - Gas burner : en
  • CH188633A - Device for observing objects moving in a straight line or approximately in a straight line, in particular moving paper or fabric webs. : de en
  • GB459947A - Process for producing vinyl resins : en
  • US2067683A - Ice cream manufacturing apparatus : en
  • AU2571135A - An auxiliary grain and/or fertilizer distributor for drills and combines andthe like seed sowing implements : en
  • US2067353A - Synchronized dynatron oscillator : en
  • FR807526A - Improvements to vehicle headlight lamp brackets : en fr
  • FR807562A - Process for treating fibers, threads and other textile materials and fabrics and products resulting from such treatment : en fr
  • GB459667A - Improvements in or relating to gas valves : en
  • US2067674A - Germicidal composition and process for preparing the same : en
  • AU12736A - An improved vapour bath : en
  • CA363358A - Wire fabric treating apparatus : en fr
  • CH188563A - Space-enclosing construction. : de en
  • FR807459A - Device for taking samples of sand, liquid and / or gas, in particular in porous layers crossed by a borehole : en fr
  • GB459929A - Improvements in or relating to plate racks : en
  • US2067754A - Carton : en
  • FR807390A - Advanced oil injector for high pressure engines : en fr
  • AT148377B - Saw blade that cuts in both directions. : de en
  • DE640946C - Filter bag in cup shape : de en
  • AT148297B - Facility for therapeutic treatment using short waves with low energy. : de en
  • CA363303A - Gaseous hydrocarburet production : en fr
  • FR807524A - Convertible wardrobe bed : en fr
  • GB459654A - Improved cutter for and method of cutting gears : en
  • DE640895C - Fruit ejection device on machines for pitting and dividing fruit : de en
  • FR807427A - Improvements in photography, cinematography and photomechanical color printing : en fr
  • CA363307A - Cellulose hydrolysis : en fr
  • IE14414L - Centrifugal separator : en
  • ES143309A1 - A dry rectifier. : en es
  • US2067577A - Fuse link : en
  • CA363365A - Telephone system : en fr
  • CH188758A - Power plant for propelling aircraft. : de en
  • US2067341A - Process for mechanically opening the bran : en
  • US2067455A - Pencil : en
  • US2067837A - Electric air cooling system for vehicles : en
  • GB459559A - Improvements in electric connectors for flexible cables : en
  • US2067672A - Fluid heater : en
  • GB459864A - Improvements relating to piles : en
  • FR807430A - Advanced safety razor : en fr
  • AT148375B - Process for the production of washable finishes. : de en
  • FR807501A - Percussion fuze with pushback and inertia : en fr
  • GB459768A - Improvements in albums, folders and like record devices and to envelopes for use therewith : en
  • USD102690S - Design fob a globe clock : en
  • DE640748C - Drive for switchgear with continuous auxiliary motors and gears with rotating movement and interrupted torque transmission : de en
  • FR807617A - Paper bag making machine : en fr
  • DE640789C - Device for turning the feed rod of pilgrim step rolling mills : de en
  • USRE20235E - Collapsible paper can : en
  • AU2571935A - Improvements in or relating tothe attachment of heels to shoes : en
  • CH188716A - Adjustable carbon resistance. : de en
  • FR807367A - Set of lenses : en fr
  • FR807646A - Axial piston machine usable as motor, pump or compressor : en fr
  • DE640903C - Process for the production of Zuendholzern with water-insensitive ignition compound : de en
  • ES143283A1 - Plow for land planted with trees. : en es
  • GB459536A - Improvements in or relating to the manufacture of a physiologically active substance from the urine of women : en
  • FR807539A - Apparatus for the manufacture of pills, spheres or other forms of revolution, in plastic material such as, for example, pastes used in confectionery, chocolate, pharmacy, etc. : en fr
  • GB459573A - Improvements in or relating to centre-drilling machines : en
  • US2067459A - Method of forming caps : en
  • US2067569A - Heat resisting implements : en
  • FR807506A - Improvements to chain derailleurs for changing speed on cycles : en fr
  • FR807505A - Process and devices for automatically adjusting carbonization of wood and other substances : en fr
  • GB459862A - Improvements in or relating to telephone instruments : en
  • CH188615A - Process for the production of isopropyl acetate. : de en
  • US2067613A - Electric control device : en
  • CH188646A - Silencer for firearms. : en fr
  • US2067574A - Pile loom construction : en
  • US2067610A - Brake gear safety device : en
  • GB459655A - Improvements in or relating to controlling systems for electrically operated lifts : en
  • GB459732A - Impulse transmitter : en
  • USD102717S - Design fob a textile fabric : en
  • US2067794A - Coupler : en
  • USD102678S - Design for a lighting fixture globe : en
  • US2067870A - Union suit : en
  • GB459949A - Process for the manufacture of o-hydroxyazo dyestuffs : en
  • FR807618A - Method and apparatus for visually perceiving objects in infrared light : en fr
  • DE640664C - Friction ring gear : de en
  • FR807432A - Anti-glare device : en fr
  • US2067219A - Treatment of filaments, films, and textile fabrics : en
  • USD102684S - Design fob a rug ob similab aeticle : en
  • CH188605A - Device for supplying tobacco to a cigarette machine. : en fr
  • USD102674S - Design for a bottle : en
  • NL40965C - : nl
  • GB459752A - Improvements in or relating to mullers : en
  • FR807537A - Ratchet crankshaft improvements : en fr
  • GB459614A - Improvements in holders for paper rolls : en
  • GB459697A - Improvements in and relating to the twisting of fancy yarns : en
  • GB459788A - Improvements in the manufacture and production of urea-formaldehyde resins : en
  • FR807418A - Improved process for forming a fluid containing copper sulfate : en fr
  • US2067346A - Regulating valve : en
  • GB459918A - An improved gardening tool : en
  • US2067721A - Oil cooler : en
  • DE640821C - Mock machine gun : de en
  • US2067635A - Air motor : en
  • DE640956C - Switching arrangement for voltage equalization in three-wire systems using a rectifier : de en
  • DE640951C - Metal shield : de en
  • US2067580A - Method of polymerizing organic compounds : en
  • US2067317A - Method of converting barbituric acids into stable aqueous solutions : en
  • US2067575A - Heater : en
  • DE640669C - Self-adjusting gearbox, especially for motor vehicles : de en
  • FR807358A - Device for exchanging paper rolls in rotary printing machines : en fr
  • FR807641A - Apparatus for threading sewing machine needles : en fr
  • GB459584A - Improvements in tool-holders, particularly for lathes, planers and like machines : en
  • FR807467A - Process for refining metallic magnesium or its alloys : en fr
  • DE640913C - Protective arrangement for the quick selective display of changes in impedance on electrical lines or for the rapid shutdown of faulty electrical lines : de en
  • FR807482A - Calcium sulphate plaster enhancements : en fr
  • US2067318A - Manufacture of aqueous solutions suitable for injection from substituted barbituric acids : en
  • US2067415A - Continuous rotary filter : en
  • GB459551A - Improvements in or relating to grinding or abrading machines : en
  • FR807485A - Method and device for simultaneous transmission and successive television on reception : en fr
  • FR807500A - roofing elements and their method of attachment to the frames : en fr
  • GB459759A - Process for the separation of hydroxy compounds of the cyclopentano polyhydro phenanthrene series : en
  • FR807538A - Automatic movable armrest : en fr
  • GB459787A - Improvements relating to sound reproducing machines : en
  • US2067213A - Explosive : en
  • US2067440A - Safety device for refrigeration systems : en
  • US2067442A - Clutch aligning tool : en
  • US2067594A - Sharpening device : en
  • US2067499A - Testing device for well equipment : en
  • US2067601A - Soap dispenser : en
  • GB459561A - Improvements in the draft gearing of spinning frames : en
  • DE640942C - Method and device for measuring the x-ray dose acting on the photographic plate during the production of an X-ray exposure : de en
  • DE640729C - Slow-burning stove : de en
  • US2067290A - Etching machine : en
  • DE640809C - Process for the production of tape-shaped magnetizable phonetic transcription carriers : de en
  • US2067873A - Alkali metal salts of chloroethane sulphonic acid : en
  • USD102699S - Design for a color chart : en
  • US2067345A - Process of purifying liquids : en
  • USD102733S - Design for a shoe : en
  • CH188811A - Process for the preparation of a substituted amide of a fatty aromatic acid. : de en
  • IE14748L - Emulsion layers for colour photography : en
  • US2067311A - Purification of gases from ammonia and hydrogen sulphide : en
  • US2067222A - Button or the like : en
  • DE640948C - Self-igniting air-compressing internal combustion engine with a combustion chamber separated from the cubic capacity : de en
  • US2067511A - Recovery of valuable products from hydrocarbons : en
  • US2067626A - Pipe threading machine : en
  • CH188782A - Process for the production of a water-soluble, complex-bound copper containing dye preparation. : de en
  • DE640651C - High-performance steam generator with indirect heating : de en
  • DE640865C - Lantern holders for vehicles : de en
  • AT148338B - Roasting and serving rack. : de en
  • CA363430A - Heating system for automobiles : en fr
  • CH188686A - Flexible line. : de en
  • DE640743C - Circuit arrangement for telecommunication, especially for telephone systems with call seekers : de en
  • FR807624A - Vulcanization tank : en fr
  • US2067386A - Article support : en
  • US2067291A - Polyamines and process for making the same : en
  • US2067355A - Cleaning composition : en
  • FR807472A - : fr
  • GB459639A - Improvements in aeroplanes : en
  • FR807404A - Compressed air gun : en fr
  • GB459750A - Improvements in or relating to guns having means for directly canting the trunnion axis : en
  • GB459832A - Improvements relating to apparatus for securing ships' hatch covers : en
  • DE640967C - Wire pulling machine : de en
  • FR807614A - Variable speed transmission mechanism, especially for automobiles : en fr
  • GB459546A - Improvements in and relating to rheostatic braking arrangements for electric motors : en
  • NL39886C - : en
  • US2067430A - Viscometer : en
  • US2067383A - Lock : en
  • US2067414A - Arch and arch block : en
  • GB459810A - Improvements in wheels for vehicles : en
  • GB459636A - Improvements in and relating to methods of making coloured photographs and apparatus therefor : en
  • CH188575A - Fuel supply device. : de en
  • FR807546A - Explosion-proof telephone sets, for example for gas mines : en fr
  • AU2541235A - Improvements in and relating to rolling mills : en
  • AU2583235A - Improvements intwo stroke compression ignition internal combustion engines : en
  • CH188658A - Talking machine with a device for automatically turning off the engine. : de en
  • US2067715A - Combustion motor : en
  • AT148293B - Roll film camera. : de en
  • AT148330B - Suction gas system working with precompression. : de en
  • US2067475A - Arch supporter : en
  • GB459569A - Improvements relating to indexing and like mechanisms for machine tools : en
  • US2067255A - Hasp-type fastener : en
  • CH188650A - Device on an evaluation device for photogrammetry for simultaneous sharp viewing of at least one mark movable in three dimensions and a measurement image. : de en
  • AT148397B - Dovetail milling machine. : de en
  • US2067667A - Liner cloth : en
  • CA363325A - Separating apparatus : en fr
  • CH188578A - Stove. : de en
  • US2067725A - Azo dyes for acetate silk and their production : en
  • US2067253A - Engine exhaust system : en
  • AU4436A - Improvements in machines for moulding plastic substances : en
  • CA363315A - Cellulose xanthate derivative and material : en fr
  • AT148371B - Arrangement for the operation of converters. : de en
  • CH188624A - Process for the preparation of propellant explosives and high explosives containing the -NO2 group. : en fr
  • CA363360A - Loudspeaker or microphone actuating member : en fr
  • CA363393A - Wall tile packing and unpacking method : en fr
  • AT148256B - Sound recording process. : de en
  • AU99836A - Wheeled article carrier for shopping or other purposes : en
  • CH188594A - Heald frame. : de en
  • AU77136A - Means for locking containers, conduits andthe like : en
  • CH188781A - Process for the preparation of an insoluble azo dye. : de en
  • FR807568A - Generator for alternating current arc welding, especially for medium and high frequency : en fr
  • AT148360B - Cathode arrangement to eliminate side pull in Braun tubes. : de en
  • US2067445A - Nozzle construction : en
  • US2067801A - Metal strip for and method of making spiral pipe : en
  • FR807387A - Synthetic resin glaze on aluminum and its alloys using condensation products of carbamides with formaldehyde : en fr
  • AT148350B - Vacuum-tight electrical vessel. : de en
  • CH188644A - Toy. : de en
  • NL39882C - : en
  • DE640441C - Drive of chute slides by slide motors : de en
  • DE640790C - Device for extracting substances : de en
  • US2067741A - Weighing scale : en
  • GB459601A - Improvements in means for keeping warm internal combustion engines when not working : en
  • GB459723A - Improvements in or relating to thermionic valve amplifiers : en
  • DE640987C - Metal circular saw blade with differently beveled cutting edge groups for the purpose of chip division : de en
  • FR807392A - Fitness apparatus : en fr
  • CH188589A - Bottle cap. : de en
  • AT148348B - Idle speed regulator for compressors. : de en
  • CH188671A - Sawing device. : de en
  • GB459793A - Improvements in or connected with the construction of aircraft bodies, wings and aerofoils : en
  • CH188747A - Apparatus for filling tubes or similar containers, in particular with paste or the like. : de en
  • AT148366B - Mercury vapor lamp. : de en
  • CH188780A - Process for the preparation of an insoluble azo dye. : de en
  • DE640765C - Method and device for venting a room by means of an internal combustion engine, in particular a single-cylinder internal combustion engine : de en
  • US2067175A - Treatment and manufacture of textile materials : en
  • DE640703C - Circuit arrangement for suppressing the voltage dependency with direct current operated bridge circuits, in particular with tube galvanometer circuits : de en
  • DE640650C - Process for purifying aromatic sulfonic acid chlorides : de en
  • DE640936C - Power or working machine with one or more rotating cylinder bodies : de en
  • US2067568A - Die for automatically working mechanical forging machines for manufacturing of seamless hollow bodies : en
  • US2067178A - Grinding machine : en
  • US2067306A - Alloys : en
  • US2067536A - Regenerative receiver arrangement : en
  • US2067678A - Refrigeration : en
  • DE640923C - Method for the detection of the presence of carbon monoxide : de en
  • FR807626A - Flourishing rivet : en fr
  • GB459805A - Mechanism for wrapping granular materials : en
  • AT148261B - Closure for powder, cigarette and cigar boxes. : de en
  • CH188709A - Electrical plug for encapsulated plug devices. : de en
  • DE640919C - Arrangement for directional amplification with attenuation reduction : de en
  • FR807435A - Printing machine, more particularly on cylindrical objects : en fr
  • FR807511A - Friction linings improvements : en fr
  • GB459754A - Traffic control systems and apparatus : en
  • GB459540A - Improvements in and relating to the refining of natural waxes : en
  • US2067214A - Method of coating metal : en
  • US2067229A - Relief valve : en
  • GB459552A - Improvements in and relating to apparatus for applying glaze and the like to tiles or the like : en
  • FR807581A - Tobacco cutting machine with rotating cutting tools : en fr
  • FR807496A - Double-piece velor with partial elimination of the binding chain : en fr
  • GB459665A - Improvements in photographic developers : en
  • US2067810A - Treatment of hydrocarbons : en
  • US2067494A - Dithiocarbamates : en
  • CH188681A - Machine for applying an even coating to a flexible material web. : de en
  • GB459783A - Electric foot massage appliance : en
  • GB459825A - Appliance for use in the teaching of arithmetic : en
  • CA363320A - Stove pipe damper : en fr
  • CA363379A - Railway traffic token system : en fr
  • CH188609A - Apparatus for making extracts, solutions, mixtures and the like. : de en
  • GB459675A - Stringed musical instruments : en
  • IE14050L - Mattress handle : en
  • DE640849C - Transition bridge for closely coupled cars with a large overhang, especially for railroad vehicles : de en
  • DE640912C - Test device for monitoring the operation of one or more protective relays in electrical systems : de en
  • DE640639C - Process for sensitizing silver-halogen emulsions : de en
  • DE640853C - Device to protect the membrane in acoustic devices against destruction by immediately striking strong popping noises : de en
  • GB459637A - Improvement in rotary tools for screwing-up and unscrewing nuts and the like : en
  • US2067410A - Flexible blade fan : en
  • US2067653A - Signal lighting apparatus : en
  • US2067429A - Traveler : en
  • FR807552A - Device for air conditioning : en fr
  • AT148251B - Tap ignition on firearms that is protected against the ingress of sand and dust and can be tensioned by pressing the thumb. : de en
  • CH188699A - Device for changing the mutual position of two coaxial shafts in the direction of rotation, in particular on ignition devices for internal combustion engines. : de en
  • CH188614A - Process for the preparation of unsaturated compounds containing the Ätiocholankern from their halogen addition products. : de en
  • US2067302A - Water treating apparatus : en
  • DE629606C - DF antenna system : de en
  • CA363400A - Razor and loader : en fr
  • DE640928C - Process for the circulation of liquor in pulp digesters : de en
  • GB459756A - Improvement in or relating to devices for removing accumulated solid matter from strainer gratings : en
  • DE640859C - Process for the production of aqueous solutions of phenol ethers of morphine or its derivatives with salts of halogen-free barbituric acids : de en
  • CH188678A - Method and device for decorating metal surfaces. : de en
  • DE640825C - Classifying and conveying rake : de en
  • DE640829C - Process for the production of the connection ends of electrical lines to be laid made of aluminum or aluminum alloys for connection to parts made of copper or other material : de en
  • FR807444A - Improvements made to devices for damping the noise resulting from the flow of a fluid in a partially blocked duct, in particular in the intake manifold of a carburetor : en fr
  • GB459685A - Improvements in electrical feeler control systems for profiling copying machines : en
  • FR807557A - Felt treatment process and its applications : en fr
  • GB459646A - Improvements in or relating to typeprinting telegraphy : en
  • FR807647A - Process and installation for obtaining grape sugar : en fr
  • ES4964U - Dust respirator. (Machine-translation by Google Translate, not legally binding) : en es
  • FR807382A - Manual launch device for internal combustion engines : en fr
  • FR807391A - Improvements in methods and devices for obtaining multiple variable-width phonograms for sound films : en fr
  • GB459821A - Improvements in or relating to photographic roll film cameras : en
  • US2067841A - Auxiliary device for fabric holdingdown attachments : en
  • AT148324B - Method and device for producing flat prints by means of a rubber blanket frame. : de en
  • FR807373A - Bottle allowing, at will, to instill or inject the product it contains : en fr
  • GR6223B - HOW TO USE THE EC OF FINANCIAL FERMENTATIONS FROM CARBON ACID, FOR THE MANUFACTURE OF CARBON IN BIBLE CARBOHYDRATES. : el en
  • FR807622A - Camera : en fr
  • GB459632A - Improvements in and relating to gripping devices for wheels having rubber tyres : en
  • US2067730A - Process for the treatment of hydrocarbon oil : en
  • GB459534A - Convertible mechanical toy : en
  • DE640739C - Porous relaxation body : de en
  • DE640761C - Multi-layer cross bottom sack : de en
  • US2067423A - Glider : en
  • USD102714S - Design fob a bug ob similab abticle : en
  • CA363361A - Journal box seal and guard : en fr
  • CA363374A - Heel covering apparatus : en fr
  • DE640921C - Process for the production of gas and arc fusion welds : de en
  • CH188738A - Telephone installation. : en fr
  • DK52547C - Procedure for the manufacture of unfiltered fiber materials. : da en
  • FR807600A - Binder for loose sheets : en fr
  • FR807637A - Method of mounting and lubricating shafts, axles and other similar components, and bearings for the practice of this method : en fr
  • AU2575135A - Improvements in electric cables for the transmissionof wide frequency bands : en
  • CA363407A - Liquid measuring apparatus : en fr
  • CA363366A - Telephone transmitter : en fr
  • CA363418A - Speed gear : en fr
  • CA363425A - Motor vehicle : en fr
  • GB459769A - Means for use in the hydraulic remote control of mechanism and/or devices more particularly in aircraft : en
  • CA363402A - Electric vibrator : en fr
  • AT148305B - Indirectly heatable hot cathode for discharge tubes. : de en
  • CA363388A - Dressed poultry treating process : en fr
  • CH188755A - Device for hanging bicycles on bars. : de en
  • FR807388A - Device for handling loads, for example containers, adapting to trucks or other vehicles : en fr
  • FR807428A - Improvements to altimeters for aerial vehicles : en fr
  • AT148373B - Process for the production of insulation with increased thermal conductivity. : de en
  • FR807440A - Process for the reduction of per-compound solutions to obtain hydrogen dioxide : en fr
  • CA363312A - Bromide production : en fr
  • US2067567A - Appliance for setting and bandaging forearm fractures : en
  • DE640959C - Device for hanging street lights and arc lamps on cantilevers : de en
  • US2067484A - Buckle : en
  • USD102705S - Design fob a cigarette holder : en
  • US2067657A - Hat : en
  • US2067758A - Engine cooling system : en
  • US2067795A - Gauge for fluids in tanks : en
  • CH188762A - Process for the preparation of 3-ethoxy-4-oxybenzaldehyde. : de en
  • US2067820A - Match roll with holder : en
  • CA363391A - Rolling mill : en fr
  • CH188749A - New to vessels made of sheet metal. : de en
  • CH188710A - Power socket plug. : en fr
  • CH188786A - Process for the preparation of a water-insoluble dye. : de en
  • CH188652A - Process for the production of a number roll, for example for counters and number roll produced by the process. : de en
  • CH188656A - Sound reproducing device. : de en
  • FR807520A - Improvement in anti-slip and anti-skid chains for motor vehicle wheels : en fr
  • GB459760A - Improvements in and relating to lithographic re-transfer paper : en
  • CH188693A - Two-stroke internal combustion engine. : de en
  • DE640878C - Drive for the laundry service of washing machines : de en
  • DK52543C - Lock for Retaining Headlight Bulbs in Headlight Mirrors. : da en
  • US2067336A - Apparatus for study of traffic : en
  • US2067492A - Feeding apparatus : en
  • US2067765A - Barbwire reel holder : en
  • USRE20237E - carr r : en
  • DE640816C - Demonstration equipment for cinematographic color films : de en
  • CH188779A - Process for the preparation of an insoluble azo dye. : de en
  • US2067822A - Mask for the prevention and relief of allergic respiratory complaints : en
  • CA363347A - Cotton fibre length and weight ascertaining apparatus : en fr
  • CH188789A - Process for the preparation of a water-insoluble dye. : de en
  • USD102713S - Design for a combined match : en
  • AT148331B - Drive belts, in particular V-belts and processes for their manufacture. : de en
  • AT148349B - Thermionic generator for generating high-frequency and ultra-high-frequency vibrations. : de en
  • CA363369A - Lubricant : en fr
  • GB459556A - Improvements in or relating to change-speed mechanism : en
  • NL39880C - : en
  • DE640900C - Centrifugal pump : de en
  • CA363452A - Steam generator : en fr
  • US2067788A - Pneumatic tire : en
  • CA363428A - Resilient wheel spring arrangement : en fr
  • US2067259A - Saw cutter : en
  • US2067413A - Time delay power control system and apparatus : en
  • DE640957C - Arrangement for parallel operation of grid-controlled steam or gas discharge lines : de en
  • CH188647A - Removable metal bow with its arrow. : en fr
  • US2067468A - Acid wool dyestuffs of the anthraquinone series : en
  • US2067853A - Method for the preparation of aralkyl ethers of cellulose : en
  • US2067248A - Coin control device : en
  • CA363403A - Nesting box : en fr
  • CH188582A - Frame. : de en
  • CH188784A - Process for the production of a water-soluble, complex-bound copper containing dye preparation. : de en
  • US2067696A - Oscillographic apparatus : en
  • US2067282A - Method of making joint members : en
  • GB459725A - Improved manufacture of artificial sponges : en
  • CA363340A - Adhesive-coated article production : en fr
  • AU2547935A - Towelling and cabinet therefor : en
  • CA363336A - Repulsion relay : en fr
  • US2067862A - Synthetic resin and method of producing : en
  • CA363328A - Vehicle body and chassis : en fr
  • US2067860A - Building method and construction : en
  • CA363409A - Loose leaf binder : en fr
  • CH188683A - Piston engine. : de en
  • US2067265A - Hydraulic double-acting metaldrawing press : en
  • US2067702A - Stencil cutting machine : en
  • USD102689S - Design for a shoe sole : en
  • US2067668A - Car seat : en
  • US2067684A - Wearing apparel : en
  • NL39938C - DEVICE FOR DAMPING THE SLINGING MOVEMENTS OF VEHICLES MOVING ON RAILS : en nl
  • DE640702C - Switching device for point counters or other apparatus working with differential gears : de en
  • GB459722A - Process for stabilising motor fuels : en
  • CH188639A - Orientation plan. : de en
  • CH188730A - Apparatus for photographing the upper and lower jaw. : de en
  • ES143308A1 - Improvements in the production of hydrocarbons by thermal treatment of materials containing coal. : en es
  • FR807543A - Remote control device : en fr
  • GB459713A - Improved sidewise tippler for waggons, tubs and the like : en
  • CH188734A - Bulb. : en fr
  • DK52562C - Capsule remover. : da en
  • GB459560A - Filtration of solid-bearing liquids : en
  • US2067324A - Refrigerating apparatus and method : en
  • US2067418A - Mat : en
  • FR807469A - Improvements to piston machines : en fr
  • GB459730A - A manner of and means for controlling an aeroplane, glider or the like flying machine : en
  • GB459920A - Improvements in or relating to the production of oxygenated organic compounds : en
  • DE640741C - Arrangement for the electrical transmission of writing, line drawings or characters that are formed as dots or lines : de en
  • FR807625A - Handle for vacuum cleaners for cleaning carpets or the like : en fr
  • FR807578A - Speed governor for internal combustion injection engines : en fr
  • GB459608A - Improvements relating to pedals for bicycles and like vehicles : en
  • GB459567A - Improvements in or relating to vacuum cleaning installations : en
  • DE640735C - Process for the preparation of aminoazaphenanthrenes : de en
  • FR807415A - Reinforcement intended to stiffen hollow bodies : en fr
  • GB459706A - Improvements in and relating to retainer strips for use with vehicle bodies or the like : en
  • FR807593A - Thermological process and installation specification for the treatment of household waste : en fr
  • US2067797A - Circuit breaker : en
  • FR807497A - Improvements to speakers and diffusers : en fr
  • DE640961C - Process for the production of artificial threads, fibers, ribbons and the like like : de en
  • FR807400A - Grease pad brush, with elastic device with lateral suspension : en fr
  • AT148388B - Insert ceiling with wedge-shaped elements. : de en
  • US2067747A - Electrolytes for plating rhodium and methods of making the same : en
  • GB459555A - Improvements in containers for delivering measured quantities of liquids : en
  • DE640772C - Periodically driven rotation toy : de en
  • DE640273C - Method for cos ªŽ measurement using two amplifier tubes connected in push-pull : de en
  • DE640902C - Valve insert : de en
  • DE640954C - Glaze cleaning device : de en
  • AT148342B - Automatic friction disc brake, especially for electric motors. : de en
  • CA363449A - Dust arrester bag : en fr
  • GB459687A - Improvements relating to bags, sacks and like containers : en
  • GB459544A - Improvements in or relating to the manufacture of sheet material : en
  • GB459695A - Improvements in apparatus for delivering variable quantities of a fluid or gaseous medium : en
  • FR807359A - Advanced packing for transmission belts : en fr
  • FR807398A - Metal shaft plane : en fr
  • DE640847C - Font material sheet : de en
  • US2067319A - Safety lock : en
  • US2067549A - Machine for hardening gear teeth : en
  • GB459596A - Manufacture of solutions of polymerisation products : en
  • GB459664A - Improvements in or relating to optical prisms for three colour photography and cinematography : en
  • GB459547A - Improvements in and relating to machines for the manufacture of wire nails with heads : en
  • FR807463A - Operating process for metallurgical melting furnaces heated by gas and provided with regenerators : en fr
  • GB459796A - Improved manufacture of artificial threads, bands or the like : en
  • FR807584A - Centrifugal regulator : en fr
  • GB459638A - Apparatus for the manufacture of cigarettes : en
  • CA363427A - Safety razor : en fr
  • CH188700A - High-voltage current distribution apparatus, in particular for electrical ignition systems for internal combustion engines. : de en
  • CH188761A - Process for the preparation of a dialdehyde. : de en
  • GR6233B - METHOD OF CHEMICAL ENRICHMENT OF SILVER BARRY IN SILVER OR IN SULTIC HEAVY. : el en
  • US2067393A - Arrangement for amplifying alternating currents : en
  • US2067539A - Pump : en
  • US2067791A - Hand protector : en
  • FR807644A - Fuel saving device for motor vehicles, etc. : en fr
  • FR807595A - Improvements to folding umbrellas with telescopic handles : en fr
  • US2067525A - Apparatus for annealing merchant bars : en
  • CA363304A - Gaseous hydrocarburet production : en fr
  • CH188586A - Table. : de en
  • US2067596A - Brake beam support chair : en
  • US2067781A - Cultivator : en
  • US2067673A - Circuit interrupter : en
  • US2067293A - Process of rolling rails : en
  • CH188690A - Pressure regulator for liquids. : en fr
  • FR807423A - One-touch fitting system : en fr
  • FR807481A - Press for printing reels and other similar rotating objects : en fr
  • FR807573A - Tool to spite : en fr
  • USRE20240E - Heat controlling system : en
  • GB459504A - A new or improved fraud preventing apparatus for coin-operated mechanisms : en
  • AT148323B - Separators for accumulators. : de en
  • US2067663A - Elevator and latch construction : en
  • FR807629A - Casting process for light metals and their alloys : en fr
  • GB459749A - Method and apparatus for producing or reproducing pictures in colours : en
  • AT148283B - Method and device for dyeing hat stumps u. like : de en
  • GR6230B - METHOD OF PREPARATION OF CELLULAR. : el en
  • FR807570A - Multiple telephone and telegraph transmission system with amplitude limitation : en fr
  • US2067846A - Loose leaf binder : en
  • FR807419A - Method and device for converting heat energy into mechanical energy : en fr
  • DE640979C - Procedure for opening and filling ampoules : de en
  • FR807424A - Method for delustering or increasing the weight of textile materials : en fr
  • GB459548A - Improvements in apparatus for thinning turnip, mangold, beet, and other crops : en
  • DE640757C - Method of drawing bark cheese : de en
  • FR807450A - Electromagnetic trip circuit breaker : en fr
  • FR807528A - Cardan joint improvements : en fr
  • FR807376A - Improvements to permanent magnets and the alloys used to make them : en fr
  • DE640710C - Shear pin : de en
  • DE640728C - Device for leading a high-voltage cable with a metal hose, which is highly insulated from the cable core, through a metal wall which has the potential of the cable hose, especially for X-ray systems : de en
  • US2067329A - Pump rod coupling : en
  • GB459535A - Improvements in or relating to cathode ray tube oscillograph apparatus : en
  • GB459542A - Improvements in columns containing filler bodies and adapted for distributing liquids passing therethrough : en
  • GB459657A - Improvements in or relating to filters : en
  • GB459541A - Improvements relating to the manufacture of insecticidal products from pyrethrum flowers : en
  • FR807590A - Conductor for mobile remote transmission installations : en fr
  • GB459633A - An improved decelerometer particularly for use when testing brakes of motor vehicles : en
  • US2067461A - Compression ignition engine : en
  • DE640766C - Centrifugal pump : de en
  • DK52566C - Method for Making White Cement Clinker. : da en
  • FR807583A - Process for degassing liquids and molten baths using ordinary sound waves : en fr
  • GB459600A - Improvements in apparatus for delivering measured quantities of granular substances : en
  • FR807431A - Mixed arsenic esters of glycerin, their manufacturing process and their application to underwater painting : en fr
  • US2067400A - Transmission belt : en
  • US2067604A - Electric regulation : en
  • US2067515A - Detachable mattress support : en
  • US2067325A - Refrigerating apparatus and method : en
  • US2067337A - Antenna for submarines : en
  • DE640717C - Front axle for independently sprung steering wheels for motor vehicles supported by rocker arms : de en
  • GB459811A - Improved fuel pump for internal combustion engines : en
  • GB459939A - Improvements in or relating to fishing gears : en
  • GB459837A - Improvements in or relating to typographic moulds : en
  • US2067809A - Hat and like headgear : en
  • FR807486A - Improvements made to devices transforming a translation into rotation and vice versa, in particular those of float and helical ramp gauges : en fr
  • CA363319A - Rubber thread or yarn : en fr
  • CH188642A - Roller skate. : de en
  • CH188721A - Arrangement for protecting converters against overcurrents. : de en
  • US2067210A - Attachment for writing machines : en
  • US2067376A - Manifolding : en
  • AU2584635A - An improved apparatus for washing and grading fruit and vegetables : en
  • CH188568A - Furnace for heating materials, especially gas-releasing ones. : de en
  • CH188804A - Process for the production of l-ascorbic acid. : de en
  • US2067648A - Circuit breaker : en
  • US2067755A - Tension controlling means : en
  • AT148273B - Electrodynamic device for the production of sound recordings with displaced zero line. : de en
  • US2067250A - Supply replenishing means for roving frames and the like : en
  • US2067787A - Infusion apparatus : en
  • US2067176A - Production of amino alcohol derivatives : en
  • US2067294A - Lubricating device : en
  • CH188662A - Waterproof watch box. : en fr
  • CH188800A - Process for the preparation of l-ascorbic acid (vitamin C). : de en
  • FR807487A - Improvements to receivers for telephony and radio signaling : en fr
  • NL39992C - : en
  • US2067570A - Braking mechanism for automobiles : en
  • US2067783A - Stove : en
  • US2067185A - Means for preparing control sheets for linotype machines and the like : en
  • ES4963U - Improved lamp (Machine-translation by Google Translate, not legally binding) : en es
  • FR807576A - Improvements to weaving looms fitted with release mechanisms controlled by the shuttle : en fr
  • US2067170A - Electric cable : en
  • US2067403A - Metal building construction : en
  • CH188812A - Process for the preparation of a, a, y, y-tetramethylbutyl-catechol. : de en
  • US2067223A - Button or the like : en
  • GB459854A - Process for the preparation by melting of moulded bodies of a difficultly fusible alloy, and a product obtained by this process : en
  • US2067586A - Liquid coating composition : en
  • US2067790A - Hand protector : en
  • US2067514A - Method of and apparatus for cold rolling strip material : en
  • DE640654C - Suspension bracket for attaching cables etc. Like. On profile carriers : de en
  • NL39894C - Device for winding spin coils and the symmetrical coil coil obtained therewith : en nl
  • US2067851A - Correspondent's case : en
  • DK52563C - Belt belt for pig scrapers. : da en
  • ES143286A3 - New construction system for ice cream machines. : en es
  • CA363410A - Paper roll stand : en fr
  • CH188638A - Process for the production of single or multi-color gravure printing plates. : de en
  • US2067226A - Coal mining machine : en
  • US2067177A - Grinding machine and method : en
  • US2067283A - Joint member and method of making same : en
  • DE640763C - Suspension device for flash cartridges : de en
  • GB459568A - Improvements in or relating to wireless receiving sets : en
  • DE640988C - Circumferential self-contained custom filler : de en
  • DK52552C - Valve. : da en
  • US2067173A - Fuel combustion : en
  • DE640721C - Self-loading pistol with cocked trigger and hammer : de en
  • FR807601A - Improvements to radiators : en fr
  • FR807638A - Process for producing photographic sound recordings by printing mechanical sound recordings : en fr
  • US2067565A - Delivery mechanism for printing machine folders : en
  • US2067805A - Circular rib knitting machine : en
  • US2067351A - Vending machine attachment : en
  • US2067597A - Cooling fin : en
  • US2067675A - Vending machine : en
  • GB459716A - Improvements in and relating to the charging of vertical carbonising retorts : en
  • GB459736A - Improvements in or relating to staircases for double-decked vehicles : en
  • US2067651A - Artificial leg : en
  • DE640769C - Production of rough, resistant paint coatings : de en
  • GB459666A - Improvements in or relating to keyboard transmitters for printing telegraph apparatus : en
  • GB459823A - Improvements relating to the roasting of mineral sulphides in gaseous suspension : en
  • US2067262A - Device for measuring pressure variations : en
  • US2067845A - Flexible footwear : en
  • AT148271B - Drill head for deep drilling. : de en
  • US2067244A - Game apparatus : en
  • US2067779A - Door lock : en
  • NL39862C - : en
  • US2067451A - Combined hitch and braking device for trailers : en
  • CH188588A - Device to prevent dripping on vessels. : de en
  • US2067647A - Belt and method of making same : en
  • US2067830A - Hydrator : en
  • US2067335A - Gas control and feeding unit : en
  • US2067443A - Electrical network : en
  • US2067737A - Separable fastener : en
  • US2067857A - Process of and machine fob : en
  • CH188719A - High voltage fuse. : de en
  • DE640764C - Adjustable piston pump with two two-part frames that slide into one another and move at right angles to one another in a housing by a spherical head acting as a drive eccentric : de en
  • AT148339B - Process for the formation of regularly shaped filaments. : de en
  • CA363395A - Insecticide or fungicide : en fr
  • CA363451A - Surgical plaster and bandage : en fr
  • US2067375A - Shimmed rail joint : en
  • US2067530A - Drawing metal : en
  • US2067284A - Flexible joint : en
  • US2067695A - Railway expansion joint : en
  • USD102723S - Design fob a fabric for ladies shoes : en
  • CH188603A - Process and system for generating smoke. : de en
  • US2067503A - Suspenders : en
  • NL39883C - : en
  • DE640749C - Switching device for remote control purposes : de en
  • AU2529535A - Improvements in or relating to the formation of cylinders of plastic or gelatinous material of predetermined size, and / or to the warpping thereof : en
  • AU537336A - Method of obtaining a stereoscopic effect inthe projection of cinematographic films, and cinematographic film obtained by said method : en
  • US2067384A - Composition for preventing vapor lock in internal combustion engines : en
  • US2067771A - Lens obturating device : en
  • US2067798A - Window hinge : en
  • DE640752C - Sheds for aircraft, especially aircraft : de en
  • AT148352B - Packaging consisting of a thin-walled metal hollow body. : de en
  • AT148356B - Resistance control. : de en
  • AT148316B - Device to avoid glare during arc welding. : de en
  • CH188577A - Stove. : de en
  • US2067230A - Electrode holder : en
  • DE640868C - Internal combustion tool : de en
  • DE640939C - Overlay and blocking circuit for overlay remote control systems : de en
  • CA363378A - Cutting bit : en fr
  • FR807473A - Shuttle clamp disconnector with clamping device for the cut weft thread : en fr
  • CH188579A - Floor polisher. : de en
  • AT148354B - Wattmetric meters independent of magnetic fields, especially electrolyte meters. : de en
  • CA363417A - Colour corrected printing method : en fr
  • CH188806A - Process for the preparation of 3- (N-dioxypropyl-N-oxyethyl) -amono-4-oxy-3'-amino-4'-oxyarsenobenzene-formaldehyde sodium sulfoxylate. : de en
  • USD102676S - Design for a dress : en
  • USD102694S - Design for a bowl : en
  • AU94336A - Improvements in moving bands for advertising andthe like devices : en
  • CH188741A - Auxiliary equipment for telephone sets in self-connection operation. : de en
  • CA363309A - Sanding, polishing and finishing machine : en fr
  • DE640945C - Skin liniments : de en
  • CH188750A - Container with a removable device for its transport. : en fr
  • USD102721S - Design foe an amusement game : en
  • DE640788C - Weft carrier that can be used in the shuttle for direct winding with yarn : de en
  • US2067419A - Ophthalmic mounting : en
  • DE640745C - Circuit arrangement for connecting lines provided with amplifiers : de en
  • GB459624A - Improvements in and relating to the storage of inflammable or explosive liquids : en
  • AT148376B - Method for increasing the physiologically perceptible volume of the sound image supplied by a sound generating or reproducing apparatus. : de en
  • US2067506A - Casein drier : en
  • CH188795A - Device for landing aircraft. : de en
  • DE640687C - Electron tubes for converting changes in current into changes in electromagnetic oscillations : de en
  • DE640832C - Power converter : de en
  • DE640866C - Lantern holder for agricultural horse and cart : de en
  • US2067554A - Dispensing device : en
  • GB459839A - Improved process for obtaining alcohol free from nitrogen bases : en
  • FR807628A - Luminescent tube signs for automobiles : en fr
  • FR807493A - Ball Joint and Locking Couplings Improvements : en fr
  • FR807609A - Advanced devices for controlling aircraft brakes : en fr
  • GB459524A - Improvements in or relating to the manufacture of preparations containing vitamin : en
  • GB459650A - Method of and means for transporting railway rolling stock by road : en
  • GB459751A - Improvements in filling spouts for use in connection with valve bags : en
  • AU2572035A - Improvements inelastic fabric and method of making same : en
  • US2067272A - Mounting for eyeglasses and spectacles : en
  • US2067833A - Garment hanger : en
  • DK52542C - Tumbler switch. : da en
  • US2067813A - Machine for operating on counters : en
  • AT148314B - Toothbrush. : de en
  • DE640718C - Bowelless sausage provided with hanging means : de en
  • AU2532035A - Television tube : en
  • CA363327A - Pipe shield : en fr
  • CA363404A - Opening producing apparatus in flexible materials : en fr
  • CA363442A - Humidification system : en fr
  • AT148277B - Electric discharge tubes, especially X-ray tubes for very high voltages. : de en
  • US2067275A - Purification and refinement of magnesium and magnesium alloys : en
  • CH188677A - Razor. : de en
  • CH188770A - Process for the preparation of octadecylaminoacetic acid. : de en
  • CA363457A - Exhaust line mounting : en fr
  • CH188625A - Process for the preparation of nitroglycerine, with cooling by means of liquid carbon dioxide. : de en
  • US2067257A - Ejecting die in the manufacture of shanks for shoes : en
  • AT148258B - Small ionization chamber, preferably for X-ray dose meters. : de en
  • CA363373A - Sheet material margin folding machine : en fr
  • CH188694A - Multi-cylinder rocker arm opposed piston internal combustion engine. : de en
  • US2067366A - Dynatron oscillator circuit : en
  • DE640781C - Process for making optical sound recordings : de en
  • GB459693A - Improvements relating to gas and water control fittings for use with geysers : en
  • AT148312B - Circuit to achieve a smooth feedback. : de en
  • US2067456A - Cutter head : en
  • DE640791C - Process for the production of sulfuric acid compounds of linseed oil : de en
  • US2067736A - Slide operative fastener structure : en
  • DE640993C - Shoe stretching device : de en
  • US2067556A - Golf club : en
  • US2067454A - Atomizing type oil fogger : en
  • US2067763A - Receptacle : en
  • US2067497A - Manufacture of jute yarn : en
  • US2067590A - Centrifugal separator : en
  • US2067512A - Apparatus for stringing tennis rackets : en
  • CH188798A - Bandage for human limbs. : de en
  • AU2494535A - Improvements in rubber boots and shoes : en
  • CH188705A - Method and device for heating or cooling powdery materials. : de en
  • AT148333B - Process for operating internal combustion engines using heavy fuel oils. : de en
  • DE640820C - Replaceable heel patch : de en
  • GB459539A - Improvements in cathodes for thermionic tubes : en
  • US2067364A - Manufacture of hydrogen peroxide : en
  • US2067513A - Bearing for a variable speed drive : en
  • US2067632A - Cloth finishing machine : en
  • US2067694A - Car stop : en
  • US2067624A - Machine for polishing, sanding, and the like : en
  • USRE20244E - High tension cable : en
  • DE640693C - Anti-knock engine propellants : de en
  • GB459701A - Improvements in and relating to film guides or gates for use in cinematograph and sound film apparatus : en
  • US2067517A - Anti-back-drift emergency brake : en
  • FR807474A - Device for cleaning flue pipes : en fr
  • FR807577A - Combined tanning process : en fr
  • FR807616A - Luminous advertising device : en fr
  • US2067473A - Hydrolysis of isobutyl chloride : en
  • US2067858A - Garment steamer and stretcher : en
  • USD102718S - Design for a juvenile vehicle : en
  • AU2531135A - Improvements in or relating to cathode structures : en
  • US2067518A - Telephone system : en
  • US2067706A - Artificial compositions : en
  • US2067753A - Fruit basket and liner therefor : en
  • DE640677C - Process for removing viscous liquids from tanks, ship floors or the like, in which the liquid is sucked off together with air by means of a high negative pressure : de en
  • GB459731A - Improvements relating to heating appliances for orchards : en
  • US2067328A - Liquid treating means : en
  • AU2584035A - Improvements in or relating to mechanical date indicators : en
  • US2067661A - Automobile lunch support : en
  • DE640706C - For therapeutic or prophylactic purposes, crepe paper soaked with high quality disinfectant : de en
  • FR807540A - Improvements to cane machines or other winding machines : en fr
  • AU122836A - Improvements in or relating to conveying mechanism, particularly applicable to classifiers : en
  • CH188752A - Suspension spring for automobiles. : de en
  • DK52539C - Impulse transmitter, preferably for Use in Automatic Telephone Systems. : da en
  • CH188669A - Automatic turning machine. : en fr
  • US2067243A - Drive chain : en
  • USD102691S - Design for a textile fabric : en
  • US2067267A - Nut tapping machine : en
  • US2067821A - Justified lines typewriter : en
  • US2067174A - Manufacture and treatment of textile materials : en
  • US2067271A - Coupling for sucker rods and the like : en
  • US2067304A - Manufacture of artificial rubber-like masses : en
  • US2067463A - Nu-long chain alkyl aromatic amino sulphonic acids and process of producing same : en
  • ES143313A1 - Improvements in the construction of springs for vehicles. : en es
  • USD102697S - Design fok a clock : en
  • AU117036A - Improvements in pantographic copying and engraving apparatus : en
  • AU2567835A - Improvements inthe construction of cool safes : en
  • US2067500A - Regulator system : en
  • US2067532A - Method of treating a liquid mixture containing oxygen derivatives of hydrocarbons and products thereof : en
  • NL40084C - : nl
  • US2067357A - Feeding device : en
  • DE640906C - Method and mold for pressing briquettes : de en
  • FR807413A - Overhead door for garages, warehouses, etc. : en fr
  • AT148400B - Gas iron. : de en
  • US2067829A - Fire extinguisher of the pressure-containing type : en
  • USD102677S - Design for textile fabric or : en
  • CA363382A - Wire rope making machine : en fr
  • CA363419A - Wood-like material : en fr
  • US2067731A - Method of producing sealed crystal layers in bottles : en
  • AT148270B - Process for making photographs. : de en
  • US2067171A - Engine : en
  • US2067433A - Soft rubber attachment plug cap : en
  • US2067793A - Hydraulic variable speed transmission and method for operating the same : en
  • US2067867A - Engraving machinery : en
  • US2067241A - Star construction : en
  • US2067448A - Tire retaining device : en
  • GB459815A - Improvements in breaking coal and similar materials : en
  • GB459853A - Improvements in and relating to television and like systems : en
  • CA363302A - Vehicle light indicator : en fr
  • CH188632A - Card holder. : en it
  • FR807442A - Adjustable hydraulic brakes : en fr
  • FR807502A - Smoke fireworks : en fr
  • CA363311A - Flushing apparatus : en fr
  • CA363421A - Pea shelling device : en fr
  • CH188561A - Sound-absorbing, heat-insulating, non-shrinking space-enclosing construction. : de en
  • CH188807A - Process for the preparation of a stereoisomeric alcohol. : de en
  • NL41441C - : en
  • US2067692A - Holder for dental floss : en
  • CA363389A - Cyclone separator : en fr
  • CA363411A - Rubber scrap reclaiming process : en fr
  • CH188778A - Process for the preparation of an insoluble azo dye. : de en
  • US2067611A - Control mechanism for diesel engines : en
  • AT148320B - Procedure for determining locations using a rotating radio beacon. : de en
  • US2067850A - Vest : en
  • CH188657A - Talking machine with device for automatic shutdown of the engine. : de en
  • CH188736A - Key banks for calculating machines, in particular cash registers. : de en
  • US2067211A - Platen roll for writing machines : en
  • US2067372A - Pipe holder and puller : en
  • US2067676A - Cooling system for utilizing solid carbon dioxide : en
  • USD102686S - Design for a textile fabric : en
  • AT148381B - Heat exchanger consisting of tubular elements assembled like batteries. : de en
  • US2067308A - Stainless copper base alloys : en
  • US2067327A - Composition for removing fibrous layers from surfaces : en
  • US2067516A - Radio direction finder : en
  • US2067782A - Conversion of hydrocarbon oils : en
  • US2067438A - Autographic register : en
  • US2067802A - Decolorizing viscous lubricating oil : en
  • US2067420A - Battery charging system : en
  • CA363342A - Furnace stoker : en fr
  • US2067625A - Boiler cleaner : en
  • US2067773A - Coupling nut : en
  • CH188600A - Mill for the molding of substances tending to give a ground material containing bale. : en fr
  • AT148313B - Pneumatic low pressure shoe insert. : de en
  • AT148398B - Detachable handle attachment for brush bodies and other tools. : de en
  • AT148288B - Seam for breakthrough work. : de en
  • AT148385B - Match complete machine connected to a box filling machine. : de en
  • CH188763A - Process for the production of a new textile auxiliary consisting of a carboxylic acid monoamide. : de en
  • US2067462A - Machine for applying stamps and labels : en
  • CA363317A - Carbonaceous material hydrogenation : en fr
  • CA363443A - Window sash holder : en fr
  • CH188571A - Control device on keys, which allows to indicate when the key is removed from the door lock whether the door lock has been closed or not. : de en
  • CA363437A - Hoisting apparatus : en fr
  • AT148300B - Multiple electrode system tube for the generation of undamped electrical oscillations, in particular the quasi-optical and ultra-short wave spectrum. : de en
  • CH188626A - A method of manufacturing a vulcanizing product for latex and a product resulting therefrom. : en fr
  • AT148279B - Try-out doll. : de en
  • AT148282B - Headscarf. : de en
  • DE640880C - Iron sleeper for the railway superstructure with rail guide ribs on the sleeper ceiling : de en
  • DK52560C - Suspended Bicycle Pedal. : da en
  • FR807460A - Adjustable dispersion transformer : en fr
  • FR807490A - Crankset convertible into footrest for cycles and motorcycles : en fr
  • FR807645A - Improvements made to cartridge bands for machine guns : en fr
  • DE640940C - Process for the production of electrodes with high heat radiation capability for discharge tubes : de en
  • US2067411A - Bloomer undergarment for women and girls : en
  • FR807572A - Method of constructing paved roads, pavements and the like : en fr
  • FR807640A - Apparatus for disinfecting laundry : en fr
  • AU2419035A - Improvements relating to the control of temperature in refrigerating systems : en
  • FR807550A - Improvements to frames for light diffusers : en fr
  • FR807650A - Folding unit for using and storing sewing machines : en fr
  • FR822947A - Image decomposition process in electric television : en fr
  • AU41736A - Improved golfball controller for ensuring the alternate playing off by first and secondround or other groups of golfers : en
  • FR807434A - Method of fixing printing clichés on their support : en fr
  • FR807470A - Binder mower : en fr
  • GB459845A - Improvements in or relating to a method of drawing metal tubes and the products resulting therefrom : en
  • CH188769A - Process for the preparation of 5-methyl-2-carbethoxyamino-d-ribaminobenzene. : de en
  • CH188796A - Counter-pivot support. : en fr
  • AT148257B - Process for improving the lifelike effect of sound-image films. : de en
  • AU157536A - Improvement in selective system and printing telegraph apparatus : en
  • US2067490A - Tire pressure indicator : en
  • US2067766A - Ornamental molded figure : en
  • US2067367A - Carrier bag : en
  • US2067681A - Electric switch : en
  • USD102724S - Design for a pedal for bicycles or : en
  • FR807451A - Improvements made to devices for mounting electric light sources on supports carried by people : en fr
  • CA363356A - Torque control : en fr
  • DE640985C - Thread cutting device for automatic turning bars : de en
  • AT148303B - Cathode ray tube. : de en
  • CA363448A - Truck for handling barrels : en fr
  • FR807368A - Process for making expansion joints in concrete road surfaces : en fr
  • GB459766A - Process for the production of azo dyestuffs on the fibre : en
  • US2067588A - Safety support : en
  • CH188729A - Spirometer. : de en
  • US2067523A - Dispensing device : en
  • US2067585A - Gunner's seat and mounting : en
  • CA363423A - Artificial horsehair production : en fr
  • CH188720A - Amplifier tube. : de en
  • DE640894C - Device for reducing the information from a calorific value meter to a certain normal state : de en
  • ES143291A1 - New procedure for the manufacture of razor blades. : en es
  • ES143297A3 - A PROCEDURE FOR THE MANUFACTURE OF ANTIQUE FACES : en es
  • AT148328B - Anchoring for carrying or fastening objects to walls, floors, etc. : de en
  • CA363345A - Hydrocarbon oil processing : en fr
  • US2067297A - Finishing material and process of making the same : en
  • US2067595A - Deicing means : en
  • CA363454A - Engine mounting : en fr
  • AT148269B - Process for the production of laundry items with printed patterns. : de en
  • GB459656A - Improvements in or relating to windscreen wipers : en
  • US2067495A - Water heater : en
  • USRE20242E - Internal combustion engine : en
  • FR807565A - Percussion relay fuze, comprising a second destruction stage : en fr
  • GB459930A - Artificial eyelashes : en
  • CA363412A - Railway car door : en fr
  • FR807397A - Use of silt from water softening with phosphates : en fr
  • US2067437A - Display device : en
  • US2067752A - Carpet cleaning machine : en
  • AT148301B - Amplifier. : de en
  • FR807586A - Azo dyes : en fr
  • FR807366A - Controlling and fitting oscillating half-axles : en fr
  • FR807394A - High speed hydroplane enhancements : en fr
  • GB459721A - Improvements in or relating to pest extermination : en
  • US2067450A - Melting pitch : en
  • US2067537A - Wrist carried implement retainer : en
  • DE640882C - Circuit arrangement for monitoring normal operational connections : de en
  • GB459774A - Improvements in the manufacture of packets for example packets for cigarette papers : en
  • FR807420A - Fuel saving device for internal combustion engines : en fr
  • CA363435A - Food dispenser : en fr
  • CH188740A - Equipment for telecommunications, in particular telephone systems. : de en
  • DK52541C - Radio receiver. : da en
  • DE640885C - Control unit for remote drives of switches, signals, points, etc. like : de en
  • FR807426A - Improvements in the production of color images by photomechanical printing processes : en fr
  • GB459739A - Improvements in and relating to optical objectives : en
  • GB459699A - Improvements in fishing nets : en
  • DE640774C - Hubschuetz with a stowage body that can be tilted in the stowed position : de en
  • GB459937A - Lubricating apparatus : en
  • CA363392A - Milking machine pulsator : en fr
  • CH188794A - Process for the preparation of a lightfast tanning substance. : de en
  • FR807389A - Automatic pneumatic jack : en fr
  • FR807399A - Mounting system for saws with removable and interchangeable blades : en fr
  • GB459583A - Improved process for manufacturing articles of food or confectionery : en
  • US2067209A - Hydraulic transmission : en
  • US2067535A - Steel wool and soap holder : en
  • DE640980C - Mirror sextant : de en
  • US2067806A - Strapping tool : en
  • US2067194A - Lens and method of making same : en
  • USD102707S - Design for a glove : en
  • FR807525A - Rolling stock truck : en fr
  • FR807514A - Pressure regulator for compressed gas intended in particular for butane and propane gas : en fr
  • GB459678A - Improvements in and relating to the construction of clocks : en
  • DE640835C - Gas meter with double-acting bells, the lower edge of which is constantly immersed in a common barrier fluid : de en
  • DE640973C - Electric soldering iron with sunk into the piston body and a cylindrical heating element : de en
  • FR807504A - Improvement brought to canvas or conveyor belts, in particular for agricultural machinery : en fr
  • US2067286A - Double universal joint : en
  • DE640715C - Dynamic balancing device for propellers : de en
  • DE640930C - Self-adjusting gear change transmission, especially for motor vehicles : de en
  • US2067775A - Folding table : en
  • USRE20239E - Television : en
  • DE640698C - Drip troughs with gravel cover for draining water from road surfaces : de en
  • DE640707C - Process for the production of multiple bottles : de en
  • GB459537A - Process for the manufacture of ketones containing several unsaturated linkages : en
  • FR807510A - Flashing device for igniting lamps or the like, usable, in particular, as a visual warning device for motor vehicles : en fr
  • GR6226B - METHOD OF RETURNING AND WHEATING CONES OR STYLICS AND TREES OF CORN PLANT. : el en
  • DE640898C - Cam drive : de en
  • CH188622A - Process for the production of a vat dye. : de en
  • ES143298A1 - CONTAINER TO CONTAIN AND TRANSPORT NEWLY ORDERED MILK : en es
  • GB459572A - Improvements in arrangements for controlling the flow of current for short periods of time in electric circuits : en
  • DE640810C - Universal tractor and work machine for agriculture : de en
  • US2067669A - Steam boiler : en
  • DE640708C - Device to compensate for uneven floors in furniture : de en
  • DE640972C - Electrical pressure cable system : de en
  • US2067435A - Article of manufacture for continuous embossing : en
  • US2067774A - Oil well pump : en
  • FR807462A - Pasta molding machine, especially for making cheese : en fr
  • FR807588A - Machine for the production of tubular bodies : en fr
  • GB459727A - Improvements relating to the axle mounting of wheel hubs embodying brake mechanism : en
  • US2067188A - Safety-step for ladders : en
  • US2067252A - Sheet material building construction : en
  • US2067777A - Mechanism for movably supporting cylinders : en
  • US2067478A - Roller jewel protector for watch movements : en
  • FR807498A - Process for the preparation of food creams : en fr
  • US2067799A - Freezing tray separator construction : en
  • AU172736A - Improvements relating to junction boxes : en
  • US2067358A - Tire pump : en
  • US2067480A - Process of manufacture of pulp : en
  • CH188593A - Spindle for spinning, twisting, winding and similar machines. : en it
  • CH188728A - Electric discharge tube. : de en
  • FR807579A - Process for replacing needles in the sound capsule of needle-based sound reproducing devices : en fr
  • FR807370A - New processes for qualitative and quantitative fractionation of gases, dry, wet or vesicular vapors : en fr
  • DE640744C - Arrangement for the connection of monitoring devices in telephone systems : de en
  • US2067649A - Sewing machine : en
  • CH188620A - Process for the preparation of a condensation product from a cyclic monoketone. : de en
  • CH188797A - Electrostatic capacitor. : de en
  • CH188564A - Method of sealing liquid-permeable material. : de en
  • IE14227L - Metal vapour electric discharge lamps : en
  • US2067488A - Coated material and method of making same : en
  • US2067620A - Wheel assembly spreader : en
  • US2067220A - Method of making sized textile materials : en
  • GB459557A - Improvements relating to gas regulating devices : en
  • CH188645A - Play motor vehicle that drives away automatically from obstacles. : de en
  • DE640762C - Process for the production of secondary radiation diaphragms : de en
  • US2067564A - Automatic damper regulator : en
  • CH188604A - Method and device for treating tobacco in a container. : de en
  • CH188687A - Articulated pipe connection with resilient joint surfaces. : de en
  • FR807596A - Plate for seat upholstery or the like : en fr
  • GB459776A - Improvements in or relating to colour spraying heads : en
  • USD102709S - Design for a brooch or similar : en
  • DE640887C - Arrangement for the production of electrical oscillations with the most rectangular shape possible : de en
  • DK52538C - Method for Extraction of Algae-containing Material from Seaweed. : da en
  • US2067654A - Window construction : en
  • FR807464A - System for eliminating thermostats in refrigeration appliances and in particular in appliances of this type intended for domestic use : en fr
  • GB459648A - Improvements in and relating to valves for compressors or the like : en
  • GR6231B - TELEPHONE OPERATES THROUGH COINS WITH DELAYED RETURN OF SUCH OR AUTOMATIC SAVINGS. : el en
  • US2067819A - Electromotor compressor : en
  • FR807499A - Method and device for ultra-selective reception television : en fr
  • DE640795C - Thermodynamic process for storing energy : de en
  • DE640696C - Handle for holding the washing line when tensioning : de en
  • GB459622A - Improvements in or relating to portable huts, sheds and the like : en
  • US2067330A - Electron device : en
  • US2067361A - Electrolytic purification : en
  • US2067650A - Automatic speed change power transmission : en
  • US2067486A - Hosiery : en
  • US2067804A - Rail testing apparatus : en
  • DE640720C - Footwear with ventilation : de en
  • DE640851C - Rerailing device for rail vehicles : de en
  • AU2586735A - Improvements in diaphragm pessaries : en
  • US2067276A - Rail anchor : en
  • USRE20245E - hoffman r : en
  • GB459694A - Improvements in cameras for multiple photographs : en
  • GB459737A - Improvements in oil packings for moving parts : en
  • GB459824A - Apparatus for taking photographs of the upper and lower jaw : en
  • GB459606A - Improvements in electrically heated boiling vessels : en
  • GB459782A - Improvements relating to couplings for conveying rotary motion : en
  • GB459747A - An improved process for obtaining metal compounds of water-soluble keratin splittingproducts : en
  • GB459612A - A new or improved garden tool for hoeing, cutting turf, and other purposes : en
  • GB459940A - A method for the treatment of oils and greases : en
  • FR807383A - Centrifuged cast iron tube and manufacturing process : en fr
  • FR807631A - Apparatus for recording and reproducing sound on a medium forming an endless tape wound into a reel : en fr
  • GB459530A - Improvements in and relating to containers or holders for pins, needles, nails and like pointed articles : en
  • GB459645A - Improvements in or relating to piezo-electric crystal mountings : en
  • CA363383A - Printing mechanism for weighing apparatus : en fr
  • US2067598A - Expansion rail joint : en
  • US2067609A - Ingot feeder for type casting machines : en
  • US2067483A - Center bearing for hydraulic locomotives : en
  • US2067800A - Hydroextractor : en
  • DE640897C - Device for supplying additional air to the combustion mixture in internal combustion engines : de en
  • DE640775C - Process for the saccharification of cellulose with dilute acids under pressure : de en
  • DE640840C - Joint strips : de en
  • GB459708A - A process for hopping beer wort with hop extract : en
  • GB459748A - Improvements relating to neon advertising signs : en
  • GB459545A - Improvements in or relating to the manufacture of free metallic-leaf : en
  • GB459619A - Improvements relating to non-return valves : en
  • DE640824C - Method and device for liming molasses and impure sugar solutions : de en
  • DE640871C - Coiled pipe made of insulating material that serves as a channel for a fluid resistance : de en
  • GB459653A - Improvements in and relating to refrigerating machines : en
  • AT148289B - Decorative seam sewing machine. : de en
  • CH188659A - Fixed capacitance electrode for electrostatic devices for sound absorption or reproduction. : de en
  • US2067686A - Antioxidants : en
  • GB459806A - Improvements in hinges : en
  • FR807396A - Enhancements to t station indicator dials. s. f. : en fr
  • GB459611A - Improvements in the production of a mixture of coal-gas and water-gas : en
  • DE640705C - Protective device to prevent injuries in the mouth when separating and crowning teeth : de en
  • FR807541A - Improvements to elastic cushions, backrests, mattresses, etc., such as spring-loaded frames for seats : en fr
  • US2067872A - Draft regulating system : en
  • FR807619A - Self-closing delay valve : en fr
  • GB459838A - Apparatus for separating sand from a mixture of sand and water : en
  • US2067701A - Reflecting glass : en
  • US2067528A - Ornament : en
  • GB459738A - Improvements in and connected with vehicles for manipulating and conveying bins for refuse or other purposes : en
  • CA363429A - Resilient wheel : en fr
  • CH188558A - Device for winding and unwinding hoses. : de en
  • DE640753C - Fire retardant paints : de en
  • GB459527A - Improvements in traverse or building mechanism for winding yarns or threads on bobbins or other bodies with bunch or like portions : en
  • CH188668A - Process for the manufacture of pipes and pressure vessels with high resistance by the application of hooping by steel wire, and apparatus for carrying out this process. : en fr
  • GB459850A - Improvements in or relating to the production of aqueous dispersions of nitrocellulose : en
  • DE640799C - Carbon grinding piece for pantographs of electric traction vehicles : de en
  • US2067811A - Initialed buckle, plate, and the like : en
  • AT148358B - Method and device for the extraction of krypton and xenon from the air. : de en
  • FR807569A - Preparation of n-alkylpyrazolanthrones : en fr
  • CA363357A - Pipe or rod fitting : en fr
  • DE640686C - Arrangement for generating periodic, short-term current pulses : de en
  • FR807471A - Magnetic recording device for telautographs : en fr
  • AU2585835A - Process and apparatus for the production fo concrete road surfaces : en
  • DE640767C - Caterpillar : de en
  • GB459604A - Improvements in and relating to devices for use in cutting or penetrating walls : en
  • GB459649A - Improvements in and relating to valves : en
  • US2067298A - Lubricating device : en
  • US2067690A - Method and material for obtaining photographic contrasts : en
  • DE640892C - Connection device for gas meter : de en
  • GB459803A - Improvements in or relating to telephone systems : en
  • CH188618A - Process for the production of methyl chloride. : de en
  • CH188759A - Process for the preparation of a dialdehyde. : de en
  • US2067642A - Stripping machine : en
  • US2067727A - Shipping box brace : en
  • US2067409A - Inertia controlled hydraulic shock absorber : en
  • CH188670A - Device for processing metal powder for bronze colors. : de en
  • US2067197A - Knitting needle : en
  • US2067412A - Liquid fuel stove : en
  • ES143311A1 - An arrangement for reciprocally separating communications transmitted by high frequency and by low frequency. : en es
  • FR807513A - Diaphragm valve for compressed gases : en fr
  • GB459531A - Improvements in or relating to the manufacture of cellulose : en
  • US2067602A - Toilet mirror : en
  • DE640732C - Process for separating low-ash coal from ash-rich : de en
  • FR807371A - Process of artificial aging of wines, liqueurs and other similar drinks, by ultra-violet radiation : en fr
  • GB460137A - Improvements relating to substances adapted to decrease blood pressure : en
  • DE640856C - Circuit arrangement for coin telephones : de en
  • FR807422A - Cooler : en fr
  • GB459827A - Device for controlling combustion in a firebox supercharged by means of a turbo-blower : en
  • US2067614A - Spark plug bushing and shield : en
  • US2067757A - Engine blower control : en
  • CA363352A - Magnetic core for high frequency inductances : en fr
  • US2067457A - Power transmission mechanism : en
  • US2067543A - Laundry shake-out tumbler : en
  • AT148337B - Combination lock. : de en
  • US2067221A - Carburetor : en
  • US2067421A - Cooling apparatus : en
  • CA363343A - Substituted acid amide : en fr
  • AT148391B - Hair curler. : de en
  • AU2574935A - Improvements in or relating to acoustic devices : en
  • CA363359A - Paper metering, cutting and reeling mechanism : en fr
  • CH188733A - Process for obtaining a vitamin preparation. : de en
  • CH188805A - Process for the production of bromodiethylacetylsalicylic acid, an acyl derivative of salicylic acid that is difficult to split. : de en
  • CA363455A - Engine mounting : en fr
  • US2067240A - Corrective insole for shoes : en
  • USD102722S - Design for a fabric for ladies shoes : en
  • AT148368B - Process for the thermal extraction of magnesium. : de en
  • AU2573635A - Improvements inthe extraction of phenol, phenol homologues andother hydroxy aromatic compounds : en
  • DE640870C - Compressed gas switch : de en
  • GB459755A - Improvements in plant for treating sewage and like liquids : en
  • US2067172A - Chemical compounds and process for preparing same : en
  • US2067186A - Selecting mechanism : en
  • US2067343A - Brake mechanism : en
  • US2067761A - Weft severing mechanism for looms : en
  • USD102685S - Design for a textile fabric : en
  • US2067699A - Fluid fuel burner control system : en
  • AT148363B - Process for the production of a firmly adhering, resistant coating on rubber objects or objects coated with rubber. : de en
  • US2067360A - Mechanical movement : en
  • US2067618A - Clamping device : en
  • US2067785A - Tubing head : en
  • CA363308A - Cellulose manufacture : en fr
  • DE640694C - Roller bearings : de en
  • US2067470A - Strainer for percolators : en
  • US2067784A - Photographic recording and sound reproducing system : en
  • DE640881C - Electric vehicle drive : de en
  • AT148317B - Toothpick. : de en
  • CH188573A - Door closer with liquid brake to be built into the floor. : de en
  • CH188735A - Tight-closing spray bottle. : en fr
  • CH188809A - Process for the preparation of a substituted amide of a fatty aromatic acid. : de en
  • CA363441A - Wire connector : en fr
  • US2067426A - Control mechanism for air conditioning systems : en
  • US2067572A - Laundry machine : en
  • US2067349A - Process and apparatus for separating gas mixtures : en
  • US2067831A - Self-lubricating vehicle spring : en
  • DE640804C - Temperature-independent measuring circuit with direct current measuring device and dry rectifier, in which the alternating current circuit and direct current circuit only partially coincide : de en
  • AT148275B - Skirt holder for cyclists. : de en
  • CH188587A - Soap holders, in particular for holding small pieces of soap residue. : de en
  • CH188698A - Magnetic electric ignition system for internal combustion engines. : de en
  • CH188649A - Support device for aircraft weapons for shooting at moving targets. : de en
  • AT148365B - Toggle switch for remote switching arrangements. : de en
  • DE640969C - Collecting sheet for stamps consisting of two layers : de en
  • US2067313A - Process of forming slag blocks : en
  • AU2583135A - Improvements in electric motor starters : en
  • CA363326A - Pipe shield : en fr
  • AT148361B - Test clamp for electrical switchgear. : de en
  • US2067368A - Hydrogenation catalyst and its preparation : en
  • US2067242A - Elevator door mechanism : en
  • US2067815A - Power or movement transmitting mechanism : en
  • CA363316A - Shock absorber : en fr
  • CA363375A - Telephone system : en fr
  • AT148262B - Device for the optical copying of positive films for colored, cinematographic projection with small color partial images. : de en
  • DE640713C - Advertising device for generating kaleidoscopic images : de en
  • DE640807C - Process for the production of artificial structures from cellulose compounds : de en
  • FR807515A - Device for recording track signals on locomotives or railcars : en fr
  • US2067640A - Stabilizer : en
  • CA363384A - Rubber sole attaching method : en fr
  • AT148325B - Copy-through device for loose-leaf bookkeeping for ribbon or color sheet copies. : de en
  • CA363355A - Lead and tin coating method : en fr
  • US2067334A - Method of producing lubricating oil : en
  • AT148315B - Box for strip-shaped dressing material. : de en
  • CH188559A - Device for protecting state and plant beds against pests. : de en
  • CH188606A - Ignition device on cigars, cigarettes etc. : de en
  • DE640806C - Machine for the production of flexible cover strips : de en
  • CA363329A - Gaseous electric discharge device : en fr
  • USD102698S - Design for a textile fabric : en
  • USD102692S - Design for a knitted fabric : en
  • CH188630A - Metal spray gun. : de en
  • CH188689A - Pressure reducer for gaseous fluid. : en fr
  • CH188723A - Headlight lamp. : de en
  • US2067844A - Adjustable electric lamp : en
  • FR807508A - Retainer for rollers or needles of roller or needle bearings : en fr
  • US2067877A - Knitting machine : en
  • AT148329B - Spark gap electrode and process for their manufacture. : de en
  • CH188803A - Process for the production of l-ascorbic acid (vitamin C). : de en
  • AU18737A - Improvements in or relating to tennis andthe like balls : en
  • GB459707A - Device for removing waste strips from drawing plunger dies and similar tools : en
  • US2067698A - Highway marker : en
  • US2067826A - Concrete mixer : en
  • DE640950C - Thread cutting head with swiveling jaw holders and axially movable clamping ring : de en
  • GB459550A - Improvements in and relating to carburetors for internal combustion engines : en
  • US2067581A - Cushion flask base : en
  • US2067740A - Shipping box or carton : en
  • US2067878A - Internal combustion engine : en
  • US2067593A - Tool for cutting threads : en
  • GB459799A - Improvement relating to electric lamp standards : en
  • US2067591A - Recessed wall fixture : en
  • GB459948A - Improvements in and relating to methods of increasing the viscosity of latex mixes : en
  • CH188691A - Friction transmission. : de en
  • AT148272B - Frames for making photographic copies. : de en
  • GB459615A - Improvements in and relating to refrigerating machines : en
  • FR807356A - Bra : en fr
  • GB459758A - Improvements in and relating to snap fastening devices : en
  • AT148318B - Sealing device for vaginal irrigation apparatus. : de en
  • US2067599A - Receptacle : en
  • DE640843C - Safety device for coin gas meters, gas meters and gas devices of all kinds : de en
  • GB459779A - Improvements in or relating to alternating current signalling systems : en
  • FR807352A - Dual traction bicycle : en fr
  • DE640938C - Procedure for starting three-phase collector shunt motors : de en
  • US2067342A - Method for making electrically welded chain links : en
  • AU111136A - Improvements in or relating to low frequency oscillation amplifiers : en
  • DE640890C - Fire-proof coating material : de en
  • GB459830A - Improvements in rotary engines or pumps : en
  • IE14263L - Photographic development in colour : en
  • US2067238A - Trimmer condenser : en
  • GB459672A - Improvements in flyers for spinning frames for flax, hemp, jute and similar fibres : en
  • GB459673A - Improvements in the manufacture of building materials : en
  • DE640888C - Lever clamping device for electric butt welding machines : de en
  • US2067502A - Art of duplicating phonograph records : en
  • US2067237A - Manufacture of aromatic aldehydes : en
  • US2067548A - Card table : en
  • US2067616A - Process foe the synthesis op : en
  • US2067745A - Room thermostat : en
  • US2067183A - Means for preparing control sheets : en
  • US2067869A - Process for the treatment of hydrocarbon oils : en
  • DE640822C - Device for briquetting metal chips : de en
  • FR807611A - Laced gaiters : en fr
  • GB459833A - Improvements in or relating to lifting table arrangements for metal sheet rolling mills : en
  • FR807452A - Improvements relating to the annealing of metals subject to oxidation at annealing temperatures : en fr
  • US2067251A - Manufacture of textile materials : en
  • DE640800C - Arrangement for separating call and speech currents : de en
  • AT148284B - Device for focusing photographic images in enlargers. : de en
  • FR807448A - Automatic dispenser with compartments : en fr
  • GB459935A - Improvements in and relating to nitrocellulose compositions : en
  • US2067179A - Saw sharpener : en
  • US2067424A - Glove : en
  • GB459712A - Improvements relating to machines for mixing mortar, concrete and the like : en
  • GB459726A - Improvements in carburetters for internal combustion engines : en
  • ES143281A3 - A procedure for making elastic and porous fabrics. : en es
  • FR807634A - Continuous mechanical speed change : en fr
  • CA363405A - Lock : en fr
  • CH188708A - Dynamo, in particular for supplying bicycle lamps. : de en
  • DE640876C - Method and device for drying bulk material on sieve kilns : de en
  • DE640751C - Hot water supply system with indirect heating of the service water : de en
  • US2067700A - Sucker rod adjuster : en
  • US2067693A - Sampling machine : en
  • AT148295B - Women dress. : de en
  • CH188726A - Ventilation device on mixed light fittings with built-in throttle coil. : de en
  • DE640805C - Device for the production of motor fuels : de en
  • CA363444A - Sterilizer : en fr
  • CH188648A - Tachometer corrector for artillery fire and other similar applications. : en fr
  • CH188676A - Sharpening device for knives. : de en
  • GB459745A - Improvements in or relating to combined road and rail vehicles : en
  • CA363306A - Cellulose production : en fr
  • US2067856A - Stone sawing machine : en
  • US2067835A - Picture projector : en
  • GB459598A - Improvements in or relating to regulating transformers : en
  • GB459630A - Improvements in and relating to the manufacture of injection nozzles for internal combustion engines : en
  • FR807436A - Key ring : en fr
  • DE640826C - Extraction of the distillation gases from inside the fuel mass : de en
  • DE640827C - Process for the preparation of alkylene chlorides : de en
  • GB459607A - Improvements in or relating to cutting devices : en
  • US2067619A - Hair thinning device : en
  • AU2552035A - An improved cultivator for garden andother purposes : en
  • CA363415A - Golf club : en fr
  • CH188777A - Process for the preparation of an insoluble azo dye. : de en
  • US2067803A - Vibration responsive device : en
  • FR807355A - Moldings for the production of pure oxygen, not containing carbon monoxide, for respiration, and process for their manufacture : en fr
  • US2067359A - Staple : en
  • CH188580A - Device for scrubbing floors and parquet floors. : en fr
  • CH188675A - Knife rest for sharpening knives. : de en
  • FR807441A - Projection lamp with axially opposed electrodes for mounting as a mirror lamp in cinematographic projectors : en fr
  • FR807385A - Method and apparatus for measuring the spread of liquids and suspensions : en fr
  • GB459554A - Process for the working up of materials containing molybdenum or tungsten : en
  • FR807630A - Apparatus for sharpening the blades of knives and other similar sharp tools : en fr
  • GB459765A - Improvements in or relating to spirometers : en
  • GB459575A - Improvements relating to torsional spring systems for vehicles : en
  • GB459668A - Improvements in or relating to harmonic analysers : en
  • GB459709A - Ignition apparatus for igniting a combustible mixture in heaters of engines of automobile torpedoes : en
  • DE640867C - Synchronous clockwork with alarm clockwork : de en
  • FR807374A - Process for manufacturing waterproof portable thermometers and product resulting from the application of the process : en fr
  • GB459742A - Improvements relating to turbine blades : en
  • GR6234B - STERILIZATION METHOD. : el en
  • DE640782C - Apparatus for making optical sound recordings : de en
  • DE640860C - Electrically heated central heating system : de en
  • FR807594A - Unique drawstring closure system for mesh hat : en fr
  • FR807458A - Fuel container for propane and the like : en fr
  • FR807523A - Scanning trigger device for cathode ray oscillographs allowing the recording of fast transient phenomena : en fr
  • GB459698A - Improvements in and relating to laminated brushes for dynamo-electric machines : en
  • GR6225B - METHOD OF STERILIZATION OF WOOD OR IMPRECIATION OF WOOD WITH POISON BEFORE THE TREE CUTTING. : el en
  • DE640734C - Cover rail for loose-leaf binders with flexible threading straps, helical springs or the like, on which sleeves that can be slid over the threading rows can be folded down next to the holes for the threading threads : de en
  • GB459640A - Improvements in and relating to electric motor control : en
  • DE640862C - Measuring device on rammers : de en
  • US2067823A - Furnace with helical hearth : en
  • GB459822A - A method and means for the production of air-dried granulated peat for the manufacture of briquettes : en
  • CH188569A - Shower device, in particular for fastening to the taps of water pipes. : de en
  • CH188774A - Process for the preparation of an insoluble azo dye. : de en
  • US2067204A - Sanitary valve system : en
  • US2067489A - Photoelectric engraving : en
  • AT148351B - Inner and insole for orthopedic shoes. : de en
  • GB459733A - Improvements in and relating to vulcanization of rubber : en
  • CA363413A - Internal combustion engine : en fr
  • US2067458A - Rubber mixing mill : en
  • US2067836A - Control means : en
  • AU396236A - Pregnendiones and method of producing thesame : en
  • US2067369A - Tenter machine : en
  • US2067559A - Hinge : en
  • DE640877C - Machine for making wire mesh : de en
  • AT148386B - Permanent hair waving device. : de en
  • US2067670A - Fluid heater : en
  • US2067705A - Alarm system : en
  • CA363399A - Printing method : en fr
  • CH188713A - Electric switch. : de en
  • US2067720A - Apparatus for supplying chlorine : en
  • CA363394A - Dental casting apparatus : en fr
  • US2067428A - Pipe coupling : en
  • AU2484435A - An improved clothes washing machine : en
  • CH188621A - Process for converting salts of oxyalkylamines into salts of haloalkylamines by treating the former with hydrohalic acids. : de en
  • CH188576A - Gas cookers. : en fr
  • AU2573435A - An improved device for sealing and opening tapping holes of beer casks or other vessels containing fluid : en
  • US2067469A - Acid wool dyestuffs of the anthraquinone series : en
  • US2067560A - x d damper for heating units : en
  • US2067780A - Rinser : en
  • US2067465A - Synthetic plastics : en
  • US2067281A - Shock absorbing mechanism : en
  • US2067399A - Eccentric for operating sliver rubbing devices : en
  • US2067519A - Control circuits : en
  • AT148382B - Vehicle with at least two engines and hydraulic transmissions. : de en
  • CA363433A - Food product : en fr
  • CH188756A - Direction indicator for vehicles, in particular for bicycles and motorcycles. : en fr
  • CA363314A - Two cycle single sleeve valve engine : en fr
  • CH188745A - Handbag that can be extended downwards. : de en
  • US2067589A - Fertilizing stick : en
  • US2067818A - Luminous tube mounting : en
  • FR807401A - Valve closure for canned food containers : en fr
  • FR807603A - Auxiliary device for replacement of automobile wheels : en fr
  • GB459863A - Improvements in or relating to vapour electric converters : en
  • FR807378A - Ring binder : en fr
  • US2067217A - Multiple piston engine : en
  • US2067315A - Compensator for heating boilers : en
  • US2067449A - Starting equipment for diesel engines : en
  • US2067843A - Photoelectric photometer : en
  • AU123736A - Improvements in top rollers suitable for drawing frames of spinning machines : en
  • GB459790A - Improvements in or relating to the manufacture of cellulose : en
  • US2067295A - Apparatus for attaching heels to shoes : en
  • US2067636A - Vibration detector : en
  • AU172636A - Improvements relating to fusible electric cutouts : en
  • DE640783C - Cassette for X-ray films : de en
  • FR807380A - Improvements to miniature pianos : en fr
  • US2067865A - Process of treating hydrocarbon oil : en
  • DK52549C - Seaweed Marking Pliers. : da en
  • NL39843C - : en
  • DE640994C - Process for the production of wood-like patterns on knife handle trays made of celluloid : de en
  • US2067216A - Method of coating metal : en
  • US2067247A - Tool : en
  • USRE20238E - Faucet water softener : en
  • AU2536635A - Television receiving connection : en
  • DE640559C - Process for the automatic opening and feeding of folded sheets : de en
  • NL39798C - : en
  • US2067261A - Organic sulphur compound and process of making the same : en
  • NL40832C - : en
  • FR807516A - Invisible hinge hinge device for automotive car doors and other applications : en fr
  • DK52561C - Apparatus for wetting bottlenecks so that these can be suitable for attaching ornamental capsules. : da en
  • US2067760A - Towel cabinet : en
  • GB459848A - Improvements in heat resistant alloys : en
  • AT148379B - Ventilation equipment, in particular for telephone booths. : de en
  • AU105296B2 - Method of obtaining a stereoscopic effect inthe projection of cinematographic films, and cinematographic film obtained by said method : en
  • DE640855C - Circuit arrangement for the automatic setting of a certain transmission status in telecommunications systems : de en
  • ES143292A2 - AN AMPLIFIER OF LIGHT : en es
  • FR807531A - Waterproof rubberized fabric and its manufacturing process : en fr
  • GB459703A - Hammer wrenches : en
  • GB459942A - Process for the manufacture of medicated smoking goods : en
  • US2067521A - Machine for making wire elements : en
  • DE640747C - Switching device for stepwise individual, parallel and series connection of any elements by means of a combination of manually operated changeover switches assigned to the elements in pairs : de en
  • GB459565A - Improvements in and relating to apparatus for measuring viscosity : en
  • CH188701A - Silencer. : de en
  • CH188703A - Illuminated liquid level indicator, especially for steam boilers. : de en
  • US2067398A - Shoe stretcher : en
  • GB459562A - Improvements in shock struts for aircraft : en
  • GB459740A - Improvements relating to band-style cartons : en
  • FR807632A - Process for the production of the organomagnesium derivative, from chlorobenzol and its homologues, and the alcohols obtained therefrom : en fr
  • CH188567A - Cooking and heating stove. : de en
  • US2067202A - Textile operation : en
  • US2067756A - Shaving brush : en
  • DE640784C - Ever-ready case for photographic devices : de en
  • DK52564C - Calculator for automatic determination of sliding elements when shooting at moving targets. : da en
  • DE640737C - Device for regulating the steam extraction for two steam engines coupled together : de en
  • US2067352A - Battery lighted locomotive toy : en
  • FR807439A - Process for the production of hydrogen dioxide : en fr
  • GB459613A - Improvements relating to electrical connecting caps : en
  • US2067370A - Socket wrench : en
  • US2067634A - Aircraft tailplane : en
  • FR807627A - Gasifier installation for vehicles : en fr
  • IE14412L - Centrifugal separator : en
  • US2067270A - Automatic forging machine : en
  • US2067432A - Radio communication : en
  • US2067487A - Panel attaching clamp for beds, floor lamps, and the like : en
  • US2067436A - Apparatus for heat-treating steel : en
  • FR807351A - Improvements in high vacuum distillation and apparatus used therefor : en fr
  • GB459669A - Improvements in magnetic cores and methods of producing them : en
  • GB459936A - Improvements in and relating to the production of synthetic resins : en
  • DE640796C - Gearbox with auxiliary flywheels : de en
  • FR807613A - Maneuvering device for driving a motor vehicle : en fr
  • FR807443A - Sulfonic acids of 5-hydroxy-acenaphthene, process for the preparation of these acids and azo dyes derived from said acids : en fr
  • US2067551A - Metal cutting machine : en
  • US2067583A - Device for feeding coal furnaces : en
  • FR807548A - Improvements to devices for providing the temporary connection between two parts, in particular for hood clips for motor vehicles : en fr
  • ES4962U - Case or outer box for all kinds of packaging of various products. (Machine-translation by Google Translate, not legally binding) : en es
  • US2067425A - Primer valve : en
  • US2067184A - Automatic means for setting type and the like : en
  • US2067508A - Rolling mill appliance : en
  • DE640970C - Streamlined design of the front surfaces of couplable railway vehicles : de en
  • US2067628A - Process for softening water and dissolving calcium salts with thiotetraphosphates : en
  • US2067817A - Device for gettering metal tubes : en
  • AT148287B - High boots, especially riding boots, with particularly high heel leather. : de en
  • CA363381A - Bottle cap wire forming mechanism : en fr
  • DK52553C - Machine for Locking, Drilling and Cutting of Profile Iron. : da en
  • GB459734A - Improvements in or relating to boxes, cartons and like containers : en
  • GB459735A - Improvements in or relating to means for transmitting television signals or the like : en
  • US2067710A - Separator : en
  • US2067300A - Combining machine : en
  • CA363447A - Hydraulic actuating means : en fr
  • DE640780C - Device for the discharge or limitation of overvoltages in line networks : de en
  • US2067377A - Safety joint : en
  • US2067467A - Method of and means for indicating relative angular movements : en
  • AT148357B - Display device for radio sets or the like. : de en
  • DE640916C - Method for controlling the passage of current through an alternating current fed grid-controlled vapor or gas discharge path with arc-shaped discharge : de en
  • US2067827A - Yarn guide and folder : en
  • DE640857C - Thermally, electromagnetically or thermally and electromagnetically triggered, a free triggering possible push-button self-switch : de en
  • DE640963C - Seal for motor vehicle doors : de en
  • FR807585A - Catalytic heater for airplanes, motor cars and the like : en fr
  • US2067382A - Synchronous electron motor : en
  • DE640700C - Trigger crank for multi-pole circuit breakers with heat triggers : de en
  • CH188751A - Stiffening device on square, open boxes, in particular car bodies. : de en
  • CH188612A - Process for the production of anhydrous, neutral magnesium carbonate from magnesium hydroxide. : de en
  • DK52554C - Method and Apparatus for Sterilizing Canned Cans. : da en
  • AT148322B - Separators for accumulators. : de en
  • US2067746A - Lamp filament and method of manufacture thereof : en
  • CH188788A - Process for the preparation of a water-insoluble dye. : de en
  • US2067378A - Electrical system of lift control : en
  • CH188637A - Process for the production of a series picture film which is suitable for the production of naturally colored projection pictures. and series image film produced by the process. : de en
  • US2067380A - Sheet feeding machine : en
  • US2067397A - Method for the preparation of wettable sulphur : en
  • US2067258A - Toy aeroplane : en
  • US2067562A - Automatic transmission : en
  • AU105616B2 - Improvements in or relating to tennis andthe like balls : en
  • AU23136A - Advertising device : en
  • US2067285A - Flexible joint for power shafts : en
  • US2067453A - Heat engine : en
  • US2067665A - Veneered tubing : en
  • CA363350A - Scale : en fr
  • CA363351A - Siliceous product : en fr
  • US2067169A - Electric cable : en
  • DE640695C - Process for the production of color film copies on non-screened material, starting from lenticular screen films : de en
  • FR807414A - Automatic supply valve for boilers : en fr
  • GB459791A - Improvements in the manufacture and production of washing, wetting, cleansing, dispersing and like agents : en
  • AT148344B - Garden ladder. : de en
  • FR807529A - Retractable windshield : en fr
  • US2067679A - Ultra short wave oscillation generator : en
  • DE640845C - Resilient pit stamp : de en
  • GB459704A - Improvements in valve operating mechanism for multi-cylinder internal combustion engines : en
  • USD102734S - Design for a typewriting machine : en
  • CA363364A - Mineral oil processing : en fr
  • CA363398A - Printing method : en fr
  • CH188775A - Process for the preparation of an insoluble azo dye. : de en
  • DE640704C - Electroacoustic vibration generator for auscultation of the body cavity : de en
  • US2067671A - Fluid heater : en
  • DE640872C - Arrangement for the excitation of synchronous machines : de en
  • US2067331A - Antiknocking motor fuel : en
  • US2067786A - Copy holder : en
  • USPP219P - Carnation : en
  • US2067254A - Internal combustion engine : en
  • US2067540A - Rotary seal for compressors and the like : en
  • US2067714A - Piston pin : en
  • US2067652A - Woodworking machine : en
  • US2067840A - Electron discharge tube : en
  • CH188560A - Device for preventing the invasion of dwellings by ants, termites and other insects of this kind. : en fr
  • DE640874C - Process for improving the lightfastness of chrome yellows : de en
  • USD102680S - Design for a buckle : en
  • CH188672A - Process for hardening materials such as wood, fiber material, paper and the like. : de en
  • USD102731S - Design for a lady s handbag frame : en
  • AU164236A - Anew or improved valve for controlling the flow of fluid : en
  • US2067685A - Series clutch mechanism for motor vehicles : en
  • AU313036A - Electric arc welding transformer : en
  • US2067460A - Control system : en
  • US2067464A - Bearing : en
  • FR807544A - Fuel tank protection device : en fr
  • CH188743A - Power connection circuit. : de en
  • USD102695S - Design fob a chair : en
  • USD102702S - Design for an inhalator : en
  • NL73175B - : en
  • US2067167A - Gearing for spinning machines : en
  • USD102688S - Design for a textile fabric : en
  • US2067299A - Rubber solution : en
  • US2067566A - Apparatus for and method of opening nuts : en
  • CA363334A - Electric lamp : en fr
  • NL39913C - : en
  • AT148266B - Film indexing device for cinema equipment, in particular for narrow film projectors. : de en
  • AT148355B - Fastening and adjustment arrangement for motor vehicle built-in headlights. : de en
  • CH188636A - Cinematographic camera with rotating shutter with variable aperture. : en fr
  • AT148281B - Photographic apparatus. : de en
  • AT148292B - 35mm camera. : de en
  • DE640908C - Colorless or lightly colored protective cover for light or air-sensitive goods of all kinds : de en
  • DK52558C - Locking device for struts for motorcycles and other bicycles. : da en
  • CH188592A - Process for the production of textile fibers from animal skin. : de en
  • US2067520A - Circuit for oscillographs or the like : en
  • USD102675S - Design fob a textile fabric : en
  • DE640933C - Unwinding device for evenly wound wire rolls : de en
  • DK52557C - Motor vehicle with central Support body. : da en
  • FR807425A - building elements : en fr
  • FR807564A - Method and device for servicing nitrogen fixing furnaces free from fixed loading devices : en fr
  • US2067391A - Rotor for distributors or the like : en
  • US2067874A - Treatment of iron ores containing nickel : en
  • CA363406A - Cement raw material treating apparatus : en fr
  • FR807478A - Process for the manufacture of automatically obtained thread screws : en fr
  • FR807605A - Joint device for elements : en fr
  • DE640759C - Device for cutting grooves : de en
  • USD102696S - Design for a soap chip dispenser or : en
  • AT148390B - Heating device for permanent wave devices. : de en
  • DE640740C - Standing milk cooler, consisting of a bellows-like jacket : de en
  • GB459847A - Improvements relating to sheathing for straps for gaiters, and analogous garment straps : en
  • US2067371A - Fastener mount and method of making the same : en
  • US2067709A - Derrick : en
  • FR807386A - Method and device for casting hollow bodies : en fr
  • DE640932C - Ceramic wick body arranged between an inner and an outer wick tube : de en
  • DE640839C - Device for reducing the resistance of bodies streamed around, especially for block-like structures of all kinds of motor vehicles : de en
  • US2067208A - Refrigerating apparatus : en
  • US2067231A - Sweat band sticker : en
  • US2067362A - Purification of sugar juices : en
  • FR807558A - Improvements in the construction of welded metal beams : en fr
  • GB459814A - Improvements in or relating to methods of and apparatus for shaping tires and mounting expansible cores therein : en
  • US2067824A - Torpedo : en
  • US2067641A - Bead forming machine : en
  • US2067738A - Method of treating carbonaceous electrode-elements : en
  • US2067578A - Pliers : en
  • US2067849A - Doughnut machine : en
  • FR807643A - Machine for threading tobacco or other leaves onto strings : en fr
  • CH188702A - Method for operating a combustion turbine plant. : de en
  • CH188674A - Grinding machine with grinding wheel partially covered by a protective housing. : de en
  • CH188706A - Hysteresis synchronous electric motor. : en fr
  • DE640850C - Release device for air brakes : de en
  • US2067716A - Molding device : en
  • US2067301A - Automatic crating machine : en
  • FR807494A - Rocket for aerial projectile with automatic firing mechanism after its departure : en fr
  • FR807417A - Automatic mechanical razor : en fr
  • GB459792A - Improvements in or relating to telephone systems : en
  • DE640701C - Self-releasing push-button switch, especially tariff monitor : de en
  • DE640711C - Device for power transmission operated with pressurized fluid, in which an air cushion is located in the pressure line, separated from the fluid by an auxiliary piston : de en
  • GB459529A - Improvement relating to springing for chairs, settees, mattresses and the like : en
  • US2067563A - Racket stringing machine : en
  • CH188597A - Soft or semi-soft collar. : en fr
  • CH188623A - Reagent allowing the reappearance of erased writing lines and making writing characters inlavable. : en fr
  • ES143285A1 - A mechanism for the transformation of the rectilinear movement in circulating in the motors. : en es
  • FR807405A - Improvements to pulse receiving devices : en fr
  • US2067408A - Apparatus for cleaning wells : en
  • DE640901C - Vehicle with a sloping car body : de en
  • FR822996A - Mercury switch : en fr
  • CH188661A - Watch box. : en fr
  • US2067704A - Separation and purification of aromatic and non-aromatic nitrogen bases : en
  • GB459576A - Yielding attachments for roof supporting constructions in mines comprising members, which, when in action, pivot about sliding fulcrum blocks : en
  • GB459801A - Improvements in and relating to electric control systems for steam boilers and the like : en
  • GB459852A - Improvements in or relating to coin delivering apparatus : en
  • FR807527A - Basic refractory product, usable in particular for lining metallurgy furnaces : en fr
  • GB459628A - Improvements in and relating to electric lamp holders : en
  • DE640723C - Intermediate gearbox on diesel rams to transfer the falling motion of the ram rams to the injection pump : de en
  • US2067190A - Printing plate thinning and shaving machine : en
  • US2067379A - Brassiere composed of two independent pockets : en
  • ES143290A1 - A new vehicle powered by pedals. : en es
  • FR807542A - Automatic heliostat : en fr
  • GB459767A - Improvements in and relating to the production of inscriptions or pictures on surfaces, more particularly for advertisement purposes : en
  • GB459841A - Improved smoker's ash receptacle : en
  • AU2580535A - Drill bits : en
  • CH188574A - Firing device with a hood-like fuel degassing chamber installed above the grate. : de en
  • AT148310B - Apparatus for serial viewing or projection of images (slides). : de en
  • US2067553A - Ball and socket joint : en
  • CH188799A - Process for the preparation of a heterocyclic mercury compound. : de en
  • US2067557A - Electric switch : en
  • US2067719A - Ironing machine structure : en
  • US2067246A - Mounting arrangement for electrical apparatus : en
  • CH188583A - Cot convertible into a stretcher. : de en
  • CH188685A - Seal for rotating bodies with oil lubrication. : de en
  • US2067392A - Treatment of unsaturated monohalides : en
  • ES143280A1 - Improvements in pneumatic suspension mechanisms and shock absorbers. : en es
  • FR807642A - Device for modulating several sound bands placed side by side on a tape-shaped phonogram support : en fr
  • GB459574A - Improvements in and relating to heat insulating sheets, blocks, and the like : en
  • GB459770A - Manufacture of 1:4:5-tribenzoylamino-8-oxyanthraquinone : en
  • US2067861A - Multiwheel motor vehicle : en
  • AT148306B - Feeder for receivers, amplifiers or the like. : de en
  • CA363414A - Rail spike : en fr
  • FR807509A - Process for the treatment by electric discharges of all liquid or solid bodies with a view to modifying or transforming their nature and their initial properties : en fr
  • US2067533A - Spark plug cover : en
  • CH188666A - Process for melting and casting magnesium and magnesium-rich alloys. : de en
  • CH188771A - Process for the preparation of octadecenylaminoacetic acid. : de en
  • FR807575A - Elevator-distributor-tamper system applicable to hygienic dump vehicles used for the collection and transport of household waste : en fr
  • NL39874C - : en
  • US2067743A - Weighing device : en
  • US2067617A - Brake gear support : en
  • NL40906C - : en
  • US2067638A - Refrigerating apparatus : en
  • US2067677A - Friction brake and the like : en
  • GB459681A - Improvements in or relating to forged or cast water gauges of the sleeve-packed type : en
  • AT148367B - Filter plugs for cigarettes and method and device for the production thereof. : de en
  • GB459558A - Improvements in vapour arc converters : en
  • AT148343B - Direction indicators for motorcycles. : de en
  • CH188611A - Process for obtaining a mass for gas filtration. : en fr
  • AT148372B - Electric vacuum cleaner. : de en
  • CH188673A - Sewing device. : de en fr
  • FR807353A - Tanning process : en fr
  • FR807556A - Production process for monoazo dyes : en fr
  • GB459682A - Improvements in and relating to the centrifuging of sugar or similar substances for the separation of syrup : en
  • AT148276B - X-ray tube with an auxiliary electrode to control the size of the focal spot. : de en
  • AT148369B - Gas-filled electric light bulb. : de en
  • USD102679S - Design for a cigarette extinguisher : en
  • CA363446A - Electrical humidifier : en fr
  • CH188714A - Device for the optional transmission of alternating currents of different frequencies. : de en
  • AT148346B - Process for the manufacture of products consisting of or containing rubber with a flexible, hardened and sliding surface layer. : de en
  • AT148374B - Drywall. : de en
  • AU2581435A - Improvements in or relating to electric light fittings : en
  • US2067273A - Centrifugal separator : en
  • USD102683S - Design for a textile fabric : en
  • US2067579A - Railroad car structure : en
  • US2067615A - Electrical apparatus : en
  • FR807429A - Process for surface hardening of metal parts and equipment specific to the execution of this process : en fr
  • FR807571A - Improvements to suspension or ferry bridges, for motor vehicles in particular : en fr
  • FR807574A - Force compensator system for cycles and other applications : en fr
  • AT148321B - Base for vacuum tubes and. like : de en
  • CA363323A - Match making machine : en fr
  • DE640841C - Spreader, the tilting track of which is arranged between the chassis and the receiving trench : de en
  • CH188718A - Switch drive with trip-free release using toggle levers. : de en
  • CA363338A - Air conditioning system : en fr
  • AT148280B - Road sign. : de en
  • CA363387A - Brake : en fr
  • CH188616A - Process for the preparation of sulfonated perhydromenaphthylphenol. : de en
  • CA363341A - Electrical fixture : en fr
  • CA363436A - Combined circulator and fireplace : en fr
  • DE640724C - Process for the preparation of arylazo-3,5-diaminopyridines : de en
  • ES143303A1 - Electronic valve, especially magnetron valve. : en es
  • NL39846C - : en
  • US2067405A - Rubber impregnated metal cable and method of making same : en
  • AU2570135A - Improvements relating tothe permanent waving treatment ofthe hair : en
  • AT148362B - Process for the production of insulating bodies for indirectly heated hot cathodes. : de en
  • CH188607A - Method and device for dennicotinizing tobacco. : de en
  • CH188711A - Temperature switch. : de en
  • DE640742C - Playback method for television pictures transmitted by means of speed modulation : de en
  • FR807406A - Composition for tampons : en fr
  • FR807512A - Rotary wing type flying machine : en fr
  • FR822921A - Direction-finding receiver for a pulse system, with automatic pulse echo blocking : en fr
  • GB459807A - Improvements in or relating to overload circuit breakers : en
  • AU2318735A - Improvements in means for supporting removable vehicle bodies : en
  • DE640814C - Photographic apparatus for taking multicolor partial images : de en
  • CA363438A - Bilge barrel : en fr
  • FR807416A - Improvements to cylinder refiners and similar machines : en fr
  • AU2577435A - Improvements in or relating to cathode ray tube oscillograph apparatus : en
  • CA363408A - Fountain pen cap and clip : en fr
  • FR807532A - Acid dyes of the anthraquinone series and process for their preparation : en fr
  • US2067522A - Method of producing cellulosic films : en
  • US2067550A - Envelope : en
  • USD102716S - Design for a textile fabric : en
  • FR807491A - Process for the preparation of monoaroylparaphenylenediamines : en fr
  • GB459578A - Improvements in fuel injection pumps for internal combustion engines : en
  • AU2318635A - Improvements in vehicles equipped with tipping or removable bodies : en
  • FR807468A - Metal strip forming an electrostatic screen in telecommunication cables : en fr
  • FR807633A - Installation of multiple wire drawing machines : en fr
  • US2067416A - Luminair : en
  • GB459679A - Improvements in and relating to apparatus for manufacturing and bottling aerated liquids : en
  • DE640811C - Hanging device for glue tape fly catcher : de en
  • US2067444A - Electrical network : en
  • DE640802C - Circuit arrangement for determining the value of telephone connections in self-access systems : de en
  • DE640797C - Method for monitoring the state of movement of trains when trains are automatically controlled : de en
  • AT148252B - Packing bag. : de en
  • DE640812C - Rotary piston internal combustion engine : de en
  • FR807545A - Improvements to control devices of mechanisms such as pulse senders : en fr
  • US2067689A - Lease forming machine : en
  • USD102719S - Design fob a vase : en
  • US2067524A - Apparatus for handling and annealing metal bars or the like : en
  • US2067561A - Concealed hinge : en
  • FR807395A - Sports toy car powered by movement imitating that of oars : en fr
  • US2067201A - Toy submarine : en
  • US2067279A - Extraction of vitaminiferous oils : en
  • US2067347A - Recording and reproducing device : en
  • US2067389A - Method of and means for producing hollow billets for hollow drills and the like : en
  • AT148268B - Process for lining cement kilns. : de en
  • CA363401A - Pressure gauge : en fr
  • FR807598A - Force transmitting device : en fr
  • US2067187A - Electrical indicating means : en
  • GB459597A - Improvements in or relating to regulating transformers : en
  • GB459784A - Improvements relating to domestic boilers and like vessels for heating liquids : en
  • GB459809A - Improvements in the manufacture of valves for internal combustion engines : en
  • GB459819A - Process for stabilising cellulose esters : en
  • GB459692A - Method and apparatus for incorporating to a stream of fluid under pressure other fluid or powdered bodies : en
  • GB459834A - Improvements in the manufacture of pistons : en
  • AT148334B - Device for operating electrical discharge tubes. : de en
  • AU2284935A - Vitrified electric heating elements : en
  • FR807554A - Improvements to relaxation oscillation generators : en fr
  • DE640907C - Device in extrusion presses for closing the cavities in hollow stones closed on all sides : de en
  • GB459635A - Improvements in and relating to the preparation of hop extracts : en
  • GB459616A - Improvements in and relating to compressors of refrigerating machines : en
  • DK52540C - Generator circuit. : da en
  • DE640808C - Weighing device for determining the static moment of sports equipment (golf clubs, tennis rackets, etc.) : de en
  • DE640910C - Compressed gas switch : de en
  • GB459757A - Closure device for boxes and the like : en
  • GB459773A - Improvements in and relating to enclosed commutator arrangements for electric motors and other electrical machines and apparatus : en
  • US2067245A - Game apparatus : en
  • US2067866A - Ergot-derived product and process of obtaining it : en
  • US2067828A - Toy airplane : en
  • AT148327B - Device for the production of paper. : de en
  • CH188744A - Automatic indoor fire alarm. : de en
  • CH188791A - Process for the production of a lightfast tanning substance. : de en
  • US2067165A - Fishing line float : en
  • US2067323A - Telephone stand : en
  • US2067703A - Electrolytic device : en
  • USD102704S - Design for a canister : en
  • FR807549A - Advanced lifting device : en fr
  • FR807551A - Hot water boiler : en fr
  • FR807553A - Device for cleaning the air in closed rooms : en fr
  • US2067739A - Knitted fabric and method of making the same : en
  • FR807433A - Device for measuring roentgen rays : en fr
  • FR807591A - Arrangements for regular stacking of letters and the like : en fr
  • US2067196A - Dispensing container : en
  • DK52548C - Lawn mower. : da en
  • FR807521A - Device allowing, in a connecting rod, to check the squareness of the big end pin with respect to the small end : en fr
  • FR807559A - Manufacturing process of curved teeth : en fr
  • US2067402A - Heddle frame : en
  • AT148336B - Method and device for pressing liquid brass. : de en
  • US2067666A - Liquid fuel burner : en
  • DE640927C - Gas turbine system with constant pressure combustion of the propellant : de en
  • DE640798C - Automatic or semi-automatic track block for single-track tracks that can be used in both directions : de en
  • GB459861A - Improvements in brakes : en
  • AT148308B - Frame for supporting stretchers, especially with a stiffening board. : de en
  • US2067166A - Tantalum carbide alloy : en
  • CH188585A - Folding table, in particular folding wall telephone tables. : de en
  • CA363440A - Vending machine : en fr
  • CH188641A - Skis with protective edges. : de en
  • US2067587A - Safety supporting means : en
  • US2067584A - Magnetic separator and the process of separation : en
  • AT148309B - Control arrangement for radio equipment u. Like. With variable resistance. : de en
  • AT148267B - Collar closure. : de en
  • CA363432A - Mirror support : en fr
  • NL39801C - : en
  • US2067808A - Water softening apparatus : en
  • USD102725S - Headlight casing for bicycles or : en
  • AT148299B - Device for therapeutic treatment with short waves. : de en
  • CH188725A - Gas-filled electric incandescent lamp and process for their manufacture. : de en
  • CH188753A - Additional headlights for fog and cornering lights on vehicles. : de en
  • CH188757A - Direction indicators on vehicles with handlebars. : de en
  • GB459647A - Improvements in or relating to press-button switches : en
  • US2067339A - Mining machine : en
  • US2067344A - Bridge span inspection and maintenance traveler : en
  • DE640842C - Process for the production of semolina and powdery products, especially dextrin : de en
  • CH188627A - Mixture based on plastics and process for its manufacture. : en fr
  • GB459617A - Improvements in and relating to refrigerating machines : en
  • US2067728A - Rotary motor : en
  • US2067509A - Flying shear : en
  • DE640719C - Filler pencil with a lead sharpener that can be moved along the length of the pencil sleeve : de en
  • DE640922C - Process for producing inflatable hollow rubber bodies from three rubber sheets : de en
  • US2067365A - Oscillatory circuit : en
  • US2067332A - Control for a safer operation of motor vehicles : en
  • USRE20243E - Defrosting mechanism : en
  • US2067496A - Internal combustion engine : en
  • US2067744A - Weighing and classifying device : en
  • US2067834A - Parallel flow turbine arrangement : en
  • US2067662A - Burglar trap : en
  • GB459605A - Improvements in or relating to machine guns : en
  • DE1395409U - : de en
  • US2067322A - Automatic gun : en
  • DE640863C - Roll film camera with see-through viewfinder : de en
  • DE640983C - Diaphragm pump for the injection of fuels in internal combustion engines : de en
  • FR807384A - Soluble silicate binders and products made from them : en fr
  • GB459846A - Improved fuel pump for internal combustion engines : en
  • CA363349A - Sorting machine : en fr
  • DE640601C - Device for determining the degree of acidity according to the compensation method : de en
  • CH188746A - Automatic folding machine. : en fr
  • DE640773C - Device for drying bulk goods, in particular cut stalks of grass and grain : de en
  • US2067627A - Method for flashing mineral oils : en
  • US2067759A - Lift rod connection : en
  • DE640813C - Radiator hood : de en
  • AT148378B - Tape seal. : de en
  • DE640635C - Protection circuit for adjustable electric heating pads or blankets with several temperature controllers : de en
  • AU2573735A - Improvements in and relating to hair curlers : en
  • CH188596A - Washing machine with guided laundry tamper. : de en
  • CH188601A - Device for making vinegar. : de en
  • AU2586435A - Improved stoking means for domestic boilers andthe like : en
  • AT148254B - Photographic lens shutter. : de en
  • AT148260B - Multiple lens for projecting cinematographic images in natural colors. : de en
  • AU2496835A - Improvements in television : en
  • CH188590A - Bottle pourer made of synthetic resin. : de en
  • CH188631A - Postal envelope with lining. : de en
  • CA363422A - Lunar calendar : en fr
  • DE640935C - Process for the production of ice colors in stuff printing : de en
  • FR807636A - Improvements to knits and knitted articles, such as stockings and their manufacturing process : en fr
  • GB459599A - An improved process for purifying crude hydrocarbons : en
  • GB459794A - Improvements in drivers' observation mirrors for motor-driven vehicles : en
  • CH188802A - Process for the production of l-ascorbic acid (vitamin C). : de en
  • DE640837C - Compliant shaft coupling : de en
  • US2067545A - Pneumatic tire assembly : en
  • US2067812A - Process of making counters : en
  • AT148302B - Scale arrangement for radios. : de en
  • CH188598A - Process for the manufacture of headgear. : de en
  • DE640918C - Electric noble gas lamp with at least one indirectly heated glow electrode : de en
  • US2067218A - Attachment for a racing shell : en
  • US2067348A - Kitchen bange burner oil pump : en
  • US2067764A - Treatment of hydrocarbons : en
  • CH188643A - Playing card press container. : de en
  • DE640697C - Process for the preparation of derivatives of p-aminophenylarsinic acid : de en
  • FR807449A - Machine or automatic dispenser with compartments : en fr
  • FR807635A - Device for blowing or for injecting in a determined direction a pressurized fluid in a pipe : en fr
  • FR807649A - Device for stamping sheets with advertising inscriptions : en fr
  • GB459563A - Improved modulation meter for modulated carrier waves : en
  • CA363445A - Container for grease, etc. : en fr
  • DE640896C - Air-compressing injection internal combustion engine : de en
  • AU2501435A - A process forthe purification of lead and alloys of lead : en
  • AU2579135A - Improvements in or relating to blasting explosive cartridges or borehole charges : en
  • CH188808A - Process for the preparation of the lactate of 3,6-diamino-10-methylacridinium hydroxide. : de en
  • US2067471A - Railway truck : en
  • USD102681S - Design for a buckle : en
  • AT148359B - Preparations for promoting plant growth and processes for its manufacture and use. : de en
  • AT148319B - Wound dressing. : de en
  • US2067356A - Court for games : en
  • US2067481A - Power circuit for electric ranges : en
  • CA363380A - Textile material : en fr
  • CH188695A - Method and device for charging internal combustion engines with pulverulent fuel. : de en
  • AU2572735A - Improvements in and relating to woven fabrics for use as baling material : en
  • CA363344A - Account distribution device : en fr
  • CA363376A - Sound recorder and reproducer : en fr
  • US2067268A - Device for promoting respiration : en
  • US2067381A - Shoe form : en
  • GB459702A - Improved sleeve valve internal combustion engine : en
  • AT148259B - Device for holding records. : de en
  • AU2449635A - Electric wave generator suitable for use in television systems : en
  • AT148304B - Connection for two-part support bars. : de en
  • US2067712A - Roller skate : en
  • US2067717A - Plough for laying submarine cables : en
  • US2067778A - Method of treating complex lead bearing ore materials : en
  • FR807489A - Aircraft lift and propulsion system : en fr
  • FR807610A - Brick bricks : en fr
  • FR807455A - Improvements to pipes for vacuum or vacuum cleaning installations : en fr
  • GB459753A - Improvements relating to ironing-machines : en
  • AT148294B - Process for the autotypical decomposition of halftone originals with the help of a grid. : de en
  • DK52550C - Combustion engine with Compression ignition and Jet atomization. : da en
  • DK52545C - Method and Machine for Forming Glass Plates. : da en
  • CA363318A - Weighing apparatus : en fr
  • CH188696A - Device for achieving fuel savings in float carburetors for internal combustion engines. : de en
  • CH188732A - Electric heater for the treatment of gonorrhea. : de en
  • CH188768A - Process for the preparation of 1,2-dimethyl-2-carbethoxyamino-5-d-ribaminobenzene. : de en
  • CA363301A - Electric water heating apparatus : en fr
  • US2067395A - Radio apparatus : en
  • US2067555A - Fruit juice extractor : en
  • US2067287A - Drive shaft arrangement : en
  • CA363377A - Metallized surface electroplating method : en fr
  • AT148387B - Ring and traveler for ring spinning and ring twisting machines. : de en
  • CH188704A - Door can be opened from both sides, especially on refrigerators. : de en
  • AU176036A - Improvements in or relating to traffic control systems : en
  • US2067582A - Sound filter for loudspeakers : en
  • CA363346A - Non-metallic container making apparatus : en fr
  • CH188584A - Furniture castor. : de en
  • GB459743A - Bimetallic electrical trolley wire : en
  • FR807457A - Method of manufacturing machining parts, resistant to seawater, in aluminum alloys containing more than 6% magnesium : en fr
  • GB459826A - Improved lubricating pumps and methods of operating the same : en
  • GB459857A - Blowpipe : en
  • US2067571A - Toy parachute : en
  • GB459728A - Improvements in and relating to rings and ring rails for doubling and like machines : en
  • AU2576435A - Process forthe preparation of linoleum blocks : en
  • CH188722A - Pumpless vacuum discharge device with a noble gas filling. : de en
  • CA363313A - Conductor connector : en fr
  • CH188602A - Sterilization vessel with associated auxiliary device. : de en
  • CH188591A - Bottle cap. : de en
  • US2067181A - Radio printer : en
  • US2067682A - Process of cooking edibles : en
  • AT148290B - Shoe, in particular slipper. : de en
  • AT148393B - Two or more shell external heating elements for the production of permanent hair waves. : de en
  • CA363456A - Engine mounting : en fr
  • CH188581A - Container. : de en
  • US2067431A - Refrigerating apparatus : en
  • US2067407A - Cooling system for motors : en
  • US2067838A - Container rinser and sterilizer : en
  • CH188766A - Process for the preparation of a quinoline series amino compound. : de en
  • CH188776A - Process for the preparation of an insoluble azo dye. : de en
  • USD102728S - Skirt guard for bicycles : en
  • AT148396B - Self-filling fountain pen. : de en
  • CH188663A - Procédé de fabrication d'une boîte de montre intérieure en une matière transparente et incassable. : de en fr
  • US2067340A - Embroidering means for sewing machines : en
  • US2067792A - Circuit breaker : en
  • GB459859A - Improvements relating to electro-plating apparatus : en
  • CH188572A - As an additional, electric security lock on doors. : de en
  • CH188617A - Process for obtaining acetylene polymerization products. : en fr
  • FR807535A - Process for the treatment of liquids with gases : en fr
  • FR807599A - Improvements to umbrellas, parasols, walking sticks and other such utensils : en fr
  • FR807362A - Boiler-absorber container for absorption refrigeration machine : en fr
  • AU2311835A - Improvements in means for locking and releasing removable bodies upon vehicle underframes : en
  • CH188793A - Process for the preparation of a lightfast tanning substance. : de en
  • AT148255B - Process for producing picture tone films of normal format. : de en
  • AT148335B - Method for equalizing the supply of electricity from a power source with fluctuating voltage to one or more consumers. : de en
  • CA363390A - Cyclone separator : en fr
  • CH188764A - Process for the production of a new textile auxiliary consisting of a carboxylic acid monoamide. : de en
  • US2067605A - Laminae construction for dynamoelectric machines : en
  • US2067708A - Electric clock : en
  • AT148341B - Shirt. : de en
  • CA363385A - Leather sole attaching method : en fr
  • AT148353B - Method for joining angled, in particular at right angles to one another, structural parts whose bisector deviates from the perpendicular by fusion welding, in particular automatic carbon welding using a magnetic fan. : de en
  • AT148392B - Device for tensioning cords, ribbons, straps or the like for the multi-spindle drive on ring spinning and ring twisting machines. : de en
  • DE638887C - Locomotive with foam generation system for fire extinguishing purposes : de en
  • DE640893C - Device for stereo images : de en
  • US2067466A - Pencil : en
  • NL39863C - : en
  • US2067320A - Measuring system for program circuit maintenance : en
  • USD102703S - Design for an ashtray : en
  • US2067439A - Filter : en
  • CH188765A - Process for the preparation of a quinoline series amino compound. : de en
  • DE640941C - X-ray tubes with touch-safe high voltage supply : de en
  • FR807381A - Process for the preparation of salts of ammoniacal bases or of organic bases with acidic alkyl esters of strong polybasic acids : en fr
  • GB459570A - Improvements in or relating to electrically heated hot plates : en
  • US2067622A - Valve control apparatus : en
  • AT148311B - Ceramic component for electrical discharge vessels. : de en
  • AU2486335A - Improvements in liquid raising apparatus : en
  • AU39136A - An improved removable sash-window locking and anti-rattling device : en
  • CA363368A - Fruit treating apparatus : en fr
  • GB459800A - Improvements in the driving means of cycles and other foot-propelled vehicles : en
  • USD102708S - Design for a shoe : en
  • US2067333A - Means for producing insulated conductors : en
  • US2067388A - Power winch attachment for motor vehicles : en
  • AU2524335A - Improvements in or relating to television and like transmitters : en
  • AU2573835A - Improvements in lantern slide dissolving view projectors : en
  • FR807407A - Method of producing images in several colors : en fr
  • GB459831A - Improvements in or relating to the treatment of mixed textile materials : en
  • CH188715A - Electric astatic control device. : de en
  • AT148326B - Double-walled glazing with air gap for all kinds of light openings. : de en
  • US2067476A - Needle-threader : en
  • US2067839A - Corrosion checking device : en
  • US2067310A - Cellulose ester compositions, particularly for molding purposes : en
  • US2067417A - Apparatus for preheating fluids : en
  • CH188785A - Process for the production of a new azo dye. : de en
  • DE640947C - Counting machine with several rows of counting bodies : de en
  • AT148370B - Process for the production of vitamin D preparations by irradiating ergosterol with ultraviolet light. : de en
  • FR807476A - Separator bowl, in which the centrifuged liquid is extracted by means of deflection devices : en fr
  • FR807606A - Oleo-mechanical delay switch : en fr
  • CH188742A - Circuit arrangement with high-frequency transformer for push-pull operation. : de en
  • GB459835A - Improvements in the treads of pneumatic tyres : en
  • CA363332A - Electric switch : en fr
  • US2067199A - Blockout mechanism for duplicating machines : en
  • AT148340B - Tailoring device for measuring. : de en
  • CA363416A - Printing method : en fr
  • FR822953A - Process for the treatment of surveillance of paper or cardboard, etc. : en fr
  • GB459808A - Internal combustion rotary engine : en
  • DE640914C - Bimetal strips directly heated by the operating current for large currents : de en
  • DE640960C - Dismountable X-ray tubes for material analysis with a water-cooled rotating anode and an assembled and interacting diffusion pump : de en
  • US2067852A - Dial telephone pay station : en
  • GB459860A - Improvements in or relating to focusing means for cathode-ray tubes and the like : en
  • GB459686A - Improvements in or relating to coupling devices for vacuum cleaner conduits and the like : en
  • GB459691A - Improvements in and relating to aircraft having single-span wings of variable incidence : en
  • US2067772A - Waterproof concrete : en
  • USD102687S - Design fob a textile fabric : en
  • FR807475A - Hydraulic valve for dispensing acetylene or other combustible gas : en fr
  • DE640760C - Device for loosening or clamping and moving slides on machine tools, in particular the boom of radial drilling machines : de en
  • FR807454A - Electric explosion pot switch : en fr
  • GB459858A - Improvements in or relating to dynamo electric plant : en
  • GB459775A - Improvements in or relating to rolling mill tables : en
  • DE640714C - Process for the production of translucent, heat and light-resistant paper or cardboard for lampshades u. like : de en
  • US2067631A - Welding rod : en
  • US2067390A - Means for producing hollow billets for hollow drills and the like : en
  • US2067338A - Tobacco product and method of conditioning same : en
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  • FR823048A - : fr
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  • DE640756C - Plant protection hood : de en
  • FR807354A - New sleeper eyes device : en fr
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  • DK52556C - Tilting for Choirs. : da en
  • US2067373A - Process for the manufacture of iron or steel and portland cement in a rotary furnace : en
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  • US2067189A - Lens mount : en
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  • US2067558A - Receptacle, case, and the like : en
  • US2067863A - Hosiery testing apparatus : en
  • FR807592A - Elastic product or object and its manufacturing process : en fr
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  • US2067200A - Confectionery making apparatus : en
  • USD102706S - Design for a rug or similar article : en
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  • US2067776A - Hat manufacture and the products thereof : en
  • US2067374A - Road scraper : en
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  • US2067278A - Piston : en
  • NL39799C - : en
  • AU2572835A - An improved dressing forthe belting of machinery or like : en
  • US2067637A - Printing machine : en
  • CA363367A - Selecting switch control : en fr
  • US2067350A - Feeding mechanism for fibrous layers : en
  • FR807361A - Azo dyes manufacturing process : en fr
  • FR807639A - Tent trailer for camping and similar applications : en fr
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  • FR807408A - Reservoir comb : en fr
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  • FR807604A - Method and device for making accounting entries from account to account in a single transaction : en fr